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Finding the Fourth Proportional to 11,510.97, 15,885.04 and 6,542.97

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Solution

The fourth proportional to 11,510.97, 15,885.04 and 6,542.97 is: 9,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.97 : 15,885.04 = 6,542.97 : x
  2. Step 2: Convert to fraction form
    11,510.97/15,885.04 = 6,542.97/x
  3. Step 3: Cross multiply
    11,510.97x = 15,885.04 × 6,542.97
  4. Step 4: Simplify right side
    11,510.97x = 103,935,340.17
  5. Step 5: Solve for x
    x = 103,935,340.17/11,510.97
  6. Step 6: Final answer
    x = 9,029.24

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1.5x scale

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.