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Finding the Fourth Proportional to 14,839.20, 22,239.90 and 6,064.20

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Solution

The fourth proportional to 14,839.20, 22,239.90 and 6,064.20 is: 9,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.20 : 22,239.90 = 6,064.20 : x
  2. Step 2: Convert to fraction form
    14,839.20/22,239.90 = 6,064.20/x
  3. Step 3: Cross multiply
    14,839.20x = 22,239.90 × 6,064.20
  4. Step 4: Simplify right side
    14,839.20x = 134,867,201.58
  5. Step 5: Solve for x
    x = 134,867,201.58/14,839.20
  6. Step 6: Final answer
    x = 9,088.58

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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.