Home / 9,458.10-14,187.15-8,615.70

Finding the Fourth Proportional to 9,458.10, 14,187.15 and 8,615.70

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Solution

The fourth proportional to 9,458.10, 14,187.15 and 8,615.70 is: 12,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.10 : 14,187.15 = 8,615.70 : x
  2. Step 2: Convert to fraction form
    9,458.10/14,187.15 = 8,615.70/x
  3. Step 3: Cross multiply
    9,458.10x = 14,187.15 × 8,615.70
  4. Step 4: Simplify right side
    9,458.10x = 122,232,228.26
  5. Step 5: Solve for x
    x = 122,232,228.26/9,458.10
  6. Step 6: Final answer
    x = 12,923.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.