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Finding the Fourth Proportional to 11,502, 15,872.76 and 6,534.96

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Solution

The fourth proportional to 11,502, 15,872.76 and 6,534.96 is: 9,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502 : 15,872.76 = 6,534.96 : x
  2. Step 2: Convert to fraction form
    11,502/15,872.76 = 6,534.96/x
  3. Step 3: Cross multiply
    11,502x = 15,872.76 × 6,534.96
  4. Step 4: Simplify right side
    11,502x = 103,727,851.69
  5. Step 5: Solve for x
    x = 103,727,851.69/11,502
  6. Step 6: Final answer
    x = 9,018.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.