Home / 15,781.66-23,570.17-14,297.92

Finding the Fourth Proportional to 15,781.66, 23,570.17 and 14,297.92

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Solution

The fourth proportional to 15,781.66, 23,570.17 and 14,297.92 is: 21,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.66 : 23,570.17 = 14,297.92 : x
  2. Step 2: Convert to fraction form
    15,781.66/23,570.17 = 14,297.92/x
  3. Step 3: Cross multiply
    15,781.66x = 23,570.17 × 14,297.92
  4. Step 4: Simplify right side
    15,781.66x = 337,004,405.05
  5. Step 5: Solve for x
    x = 337,004,405.05/15,781.66
  6. Step 6: Final answer
    x = 21,354.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.