Home / 10,538.52-15,813.30-6,839.88

Finding the Fourth Proportional to 10,538.52, 15,813.30 and 6,839.88

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Solution

The fourth proportional to 10,538.52, 15,813.30 and 6,839.88 is: 10,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.52 : 15,813.30 = 6,839.88 : x
  2. Step 2: Convert to fraction form
    10,538.52/15,813.30 = 6,839.88/x
  3. Step 3: Cross multiply
    10,538.52x = 15,813.30 × 6,839.88
  4. Step 4: Simplify right side
    10,538.52x = 108,161,074.40
  5. Step 5: Solve for x
    x = 108,161,074.40/10,538.52
  6. Step 6: Final answer
    x = 10,263.40

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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.