Home / 16,471.89-22,712.40-13,114.85

Finding the Fourth Proportional to 16,471.89, 22,712.40 and 13,114.85

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Solution

The fourth proportional to 16,471.89, 22,712.40 and 13,114.85 is: 18,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.89 : 22,712.40 = 13,114.85 : x
  2. Step 2: Convert to fraction form
    16,471.89/22,712.40 = 13,114.85/x
  3. Step 3: Cross multiply
    16,471.89x = 22,712.40 × 13,114.85
  4. Step 4: Simplify right side
    16,471.89x = 297,869,719.14
  5. Step 5: Solve for x
    x = 297,869,719.14/16,471.89
  6. Step 6: Final answer
    x = 18,083.52

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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.