Home / 9,531.54-14,267.61-5,138.10

Finding the Fourth Proportional to 9,531.54, 14,267.61 and 5,138.10

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Solution

The fourth proportional to 9,531.54, 14,267.61 and 5,138.10 is: 7,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.54 : 14,267.61 = 5,138.10 : x
  2. Step 2: Convert to fraction form
    9,531.54/14,267.61 = 5,138.10/x
  3. Step 3: Cross multiply
    9,531.54x = 14,267.61 × 5,138.10
  4. Step 4: Simplify right side
    9,531.54x = 73,308,406.94
  5. Step 5: Solve for x
    x = 73,308,406.94/9,531.54
  6. Step 6: Final answer
    x = 7,691.14

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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.