Home / 14,798.32-20,423.05-8,425.19

Finding the Fourth Proportional to 14,798.32, 20,423.05 and 8,425.19

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Solution

The fourth proportional to 14,798.32, 20,423.05 and 8,425.19 is: 11,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.32 : 20,423.05 = 8,425.19 : x
  2. Step 2: Convert to fraction form
    14,798.32/20,423.05 = 8,425.19/x
  3. Step 3: Cross multiply
    14,798.32x = 20,423.05 × 8,425.19
  4. Step 4: Simplify right side
    14,798.32x = 172,068,061.03
  5. Step 5: Solve for x
    x = 172,068,061.03/14,798.32
  6. Step 6: Final answer
    x = 11,627.54

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Half scale
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Double scale
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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.