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Finding the Fourth Proportional to 15,242.63, 22,843.89 and 6,466.68

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Solution

The fourth proportional to 15,242.63, 22,843.89 and 6,466.68 is: 9,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.63 : 22,843.89 = 6,466.68 : x
  2. Step 2: Convert to fraction form
    15,242.63/22,843.89 = 6,466.68/x
  3. Step 3: Cross multiply
    15,242.63x = 22,843.89 × 6,466.68
  4. Step 4: Simplify right side
    15,242.63x = 147,724,126.59
  5. Step 5: Solve for x
    x = 147,724,126.59/15,242.63
  6. Step 6: Final answer
    x = 9,691.51

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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.