Home / 11,584.32-17,385.12-5,432.64

Finding the Fourth Proportional to 11,584.32, 17,385.12 and 5,432.64

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Solution

The fourth proportional to 11,584.32, 17,385.12 and 5,432.64 is: 8,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.32 : 17,385.12 = 5,432.64 : x
  2. Step 2: Convert to fraction form
    11,584.32/17,385.12 = 5,432.64/x
  3. Step 3: Cross multiply
    11,584.32x = 17,385.12 × 5,432.64
  4. Step 4: Simplify right side
    11,584.32x = 94,447,098.32
  5. Step 5: Solve for x
    x = 94,447,098.32/11,584.32
  6. Step 6: Final answer
    x = 8,153.01

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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.