Home / 10,988.40-16,482.07-3,591.88

Finding the Fourth Proportional to 10,988.40, 16,482.07 and 3,591.88

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Solution

The fourth proportional to 10,988.40, 16,482.07 and 3,591.88 is: 5,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.40 : 16,482.07 = 3,591.88 : x
  2. Step 2: Convert to fraction form
    10,988.40/16,482.07 = 3,591.88/x
  3. Step 3: Cross multiply
    10,988.40x = 16,482.07 × 3,591.88
  4. Step 4: Simplify right side
    10,988.40x = 59,201,617.59
  5. Step 5: Solve for x
    x = 59,201,617.59/10,988.40
  6. Step 6: Final answer
    x = 5,387.65

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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.