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Finding the Fourth Proportional to 14,708.60, 22,062.90 and 14,622.20

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Solution

The fourth proportional to 14,708.60, 22,062.90 and 14,622.20 is: 21,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.60 : 22,062.90 = 14,622.20 : x
  2. Step 2: Convert to fraction form
    14,708.60/22,062.90 = 14,622.20/x
  3. Step 3: Cross multiply
    14,708.60x = 22,062.90 × 14,622.20
  4. Step 4: Simplify right side
    14,708.60x = 322,608,136.38
  5. Step 5: Solve for x
    x = 322,608,136.38/14,708.60
  6. Step 6: Final answer
    x = 21,933.30

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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.