Home / 19,720.97-29,491.60-14,726.85

Finding the Fourth Proportional to 19,720.97, 29,491.60 and 14,726.85

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Solution

The fourth proportional to 19,720.97, 29,491.60 and 14,726.85 is: 22,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.97 : 29,491.60 = 14,726.85 : x
  2. Step 2: Convert to fraction form
    19,720.97/29,491.60 = 14,726.85/x
  3. Step 3: Cross multiply
    19,720.97x = 29,491.60 × 14,726.85
  4. Step 4: Simplify right side
    19,720.97x = 434,318,369.46
  5. Step 5: Solve for x
    x = 434,318,369.46/19,720.97
  6. Step 6: Final answer
    x = 22,023.17

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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.