Home / 14,631.35-20,191.52-8,259.21

Finding the Fourth Proportional to 14,631.35, 20,191.52 and 8,259.21

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Solution

The fourth proportional to 14,631.35, 20,191.52 and 8,259.21 is: 11,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.35 : 20,191.52 = 8,259.21 : x
  2. Step 2: Convert to fraction form
    14,631.35/20,191.52 = 8,259.21/x
  3. Step 3: Cross multiply
    14,631.35x = 20,191.52 × 8,259.21
  4. Step 4: Simplify right side
    14,631.35x = 166,766,054.38
  5. Step 5: Solve for x
    x = 166,766,054.38/14,631.35
  6. Step 6: Final answer
    x = 11,397.86

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Half scale
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Double scale
Find fourth proportional to 14,632.35, 20,192.90 and 8,260.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.