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Finding the Fourth Proportional to 14,708.40, 22,073.40 and 9,169.80

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Solution

The fourth proportional to 14,708.40, 22,073.40 and 9,169.80 is: 13,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.40 : 22,073.40 = 9,169.80 : x
  2. Step 2: Convert to fraction form
    14,708.40/22,073.40 = 9,169.80/x
  3. Step 3: Cross multiply
    14,708.40x = 22,073.40 × 9,169.80
  4. Step 4: Simplify right side
    14,708.40x = 202,408,663.32
  5. Step 5: Solve for x
    x = 202,408,663.32/14,708.40
  6. Step 6: Final answer
    x = 13,761.43

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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.