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Finding the Fourth Proportional to 15,114.66, 22,672.59 and 4,726.50

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Solution

The fourth proportional to 15,114.66, 22,672.59 and 4,726.50 is: 7,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.66 : 22,672.59 = 4,726.50 : x
  2. Step 2: Convert to fraction form
    15,114.66/22,672.59 = 4,726.50/x
  3. Step 3: Cross multiply
    15,114.66x = 22,672.59 × 4,726.50
  4. Step 4: Simplify right side
    15,114.66x = 107,161,996.64
  5. Step 5: Solve for x
    x = 107,161,996.64/15,114.66
  6. Step 6: Final answer
    x = 7,089.94

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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.