Home / 15,434.40-23,151.60-8,863.68

Finding the Fourth Proportional to 15,434.40, 23,151.60 and 8,863.68

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Solution

The fourth proportional to 15,434.40, 23,151.60 and 8,863.68 is: 13,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.40 : 23,151.60 = 8,863.68 : x
  2. Step 2: Convert to fraction form
    15,434.40/23,151.60 = 8,863.68/x
  3. Step 3: Cross multiply
    15,434.40x = 23,151.60 × 8,863.68
  4. Step 4: Simplify right side
    15,434.40x = 205,208,373.89
  5. Step 5: Solve for x
    x = 205,208,373.89/15,434.40
  6. Step 6: Final answer
    x = 13,295.52

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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.