Home / 9,079.32-13,600.08-8,766

Finding the Fourth Proportional to 9,079.32, 13,600.08 and 8,766

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Solution

The fourth proportional to 9,079.32, 13,600.08 and 8,766 is: 13,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.32 : 13,600.08 = 8,766 : x
  2. Step 2: Convert to fraction form
    9,079.32/13,600.08 = 8,766/x
  3. Step 3: Cross multiply
    9,079.32x = 13,600.08 × 8,766
  4. Step 4: Simplify right side
    9,079.32x = 119,218,301.28
  5. Step 5: Solve for x
    x = 119,218,301.28/9,079.32
  6. Step 6: Final answer
    x = 13,130.75

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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.