Home / 11,007.03-15,189.89-6,531.17

Finding the Fourth Proportional to 11,007.03, 15,189.89 and 6,531.17

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Solution

The fourth proportional to 11,007.03, 15,189.89 and 6,531.17 is: 9,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.03 : 15,189.89 = 6,531.17 : x
  2. Step 2: Convert to fraction form
    11,007.03/15,189.89 = 6,531.17/x
  3. Step 3: Cross multiply
    11,007.03x = 15,189.89 × 6,531.17
  4. Step 4: Simplify right side
    11,007.03x = 99,207,753.87
  5. Step 5: Solve for x
    x = 99,207,753.87/11,007.03
  6. Step 6: Final answer
    x = 9,013.13

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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.