Home / 14,456.28-21,643.11-13,537.74

Finding the Fourth Proportional to 14,456.28, 21,643.11 and 13,537.74

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Solution

The fourth proportional to 14,456.28, 21,643.11 and 13,537.74 is: 20,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.28 : 21,643.11 = 13,537.74 : x
  2. Step 2: Convert to fraction form
    14,456.28/21,643.11 = 13,537.74/x
  3. Step 3: Cross multiply
    14,456.28x = 21,643.11 × 13,537.74
  4. Step 4: Simplify right side
    14,456.28x = 292,998,795.97
  5. Step 5: Solve for x
    x = 292,998,795.97/14,456.28
  6. Step 6: Final answer
    x = 20,267.92

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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.