Home / 10,548.91-15,815.57-6,387.94

Finding the Fourth Proportional to 10,548.91, 15,815.57 and 6,387.94

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Solution

The fourth proportional to 10,548.91, 15,815.57 and 6,387.94 is: 9,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.91 : 15,815.57 = 6,387.94 : x
  2. Step 2: Convert to fraction form
    10,548.91/15,815.57 = 6,387.94/x
  3. Step 3: Cross multiply
    10,548.91x = 15,815.57 × 6,387.94
  4. Step 4: Simplify right side
    10,548.91x = 101,028,900.06
  5. Step 5: Solve for x
    x = 101,028,900.06/10,548.91
  6. Step 6: Final answer
    x = 9,577.19

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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.