Home / 15,187.60-22,781.40-14,863.60

Finding the Fourth Proportional to 15,187.60, 22,781.40 and 14,863.60

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Solution

The fourth proportional to 15,187.60, 22,781.40 and 14,863.60 is: 22,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.60 : 22,781.40 = 14,863.60 : x
  2. Step 2: Convert to fraction form
    15,187.60/22,781.40 = 14,863.60/x
  3. Step 3: Cross multiply
    15,187.60x = 22,781.40 × 14,863.60
  4. Step 4: Simplify right side
    15,187.60x = 338,613,617.04
  5. Step 5: Solve for x
    x = 338,613,617.04/15,187.60
  6. Step 6: Final answer
    x = 22,295.40

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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.