Home / 10,500.40-15,753.30-3,926.64

Finding the Fourth Proportional to 10,500.40, 15,753.30 and 3,926.64

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Solution

The fourth proportional to 10,500.40, 15,753.30 and 3,926.64 is: 5,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.40 : 15,753.30 = 3,926.64 : x
  2. Step 2: Convert to fraction form
    10,500.40/15,753.30 = 3,926.64/x
  3. Step 3: Cross multiply
    10,500.40x = 15,753.30 × 3,926.64
  4. Step 4: Simplify right side
    10,500.40x = 61,857,537.91
  5. Step 5: Solve for x
    x = 61,857,537.91/10,500.40
  6. Step 6: Final answer
    x = 5,890.97

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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.