Home / 10,839.04-16,233.28-9,189.76

Finding the Fourth Proportional to 10,839.04, 16,233.28 and 9,189.76

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Solution

The fourth proportional to 10,839.04, 16,233.28 and 9,189.76 is: 13,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.04 : 16,233.28 = 9,189.76 : x
  2. Step 2: Convert to fraction form
    10,839.04/16,233.28 = 9,189.76/x
  3. Step 3: Cross multiply
    10,839.04x = 16,233.28 × 9,189.76
  4. Step 4: Simplify right side
    10,839.04x = 149,179,947.21
  5. Step 5: Solve for x
    x = 149,179,947.21/10,839.04
  6. Step 6: Final answer
    x = 13,763.21

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1.5x scale

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.