Home / 18,397.83-25,381.13-14,402.91

Finding the Fourth Proportional to 18,397.83, 25,381.13 and 14,402.91

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Solution

The fourth proportional to 18,397.83, 25,381.13 and 14,402.91 is: 19,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.83 : 25,381.13 = 14,402.91 : x
  2. Step 2: Convert to fraction form
    18,397.83/25,381.13 = 14,402.91/x
  3. Step 3: Cross multiply
    18,397.83x = 25,381.13 × 14,402.91
  4. Step 4: Simplify right side
    18,397.83x = 365,562,131.09
  5. Step 5: Solve for x
    x = 365,562,131.09/18,397.83
  6. Step 6: Final answer
    x = 19,869.85

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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.