Home / 10,333.32-15,519.90-8,855.88

Finding the Fourth Proportional to 10,333.32, 15,519.90 and 8,855.88

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Solution

The fourth proportional to 10,333.32, 15,519.90 and 8,855.88 is: 13,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.32 : 15,519.90 = 8,855.88 : x
  2. Step 2: Convert to fraction form
    10,333.32/15,519.90 = 8,855.88/x
  3. Step 3: Cross multiply
    10,333.32x = 15,519.90 × 8,855.88
  4. Step 4: Simplify right side
    10,333.32x = 137,442,372.01
  5. Step 5: Solve for x
    x = 137,442,372.01/10,333.32
  6. Step 6: Final answer
    x = 13,300.89

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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.