Home / 10,577.97-15,867.05-5,031.86

Finding the Fourth Proportional to 10,577.97, 15,867.05 and 5,031.86

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Solution

The fourth proportional to 10,577.97, 15,867.05 and 5,031.86 is: 7,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.97 : 15,867.05 = 5,031.86 : x
  2. Step 2: Convert to fraction form
    10,577.97/15,867.05 = 5,031.86/x
  3. Step 3: Cross multiply
    10,577.97x = 15,867.05 × 5,031.86
  4. Step 4: Simplify right side
    10,577.97x = 79,840,669.72
  5. Step 5: Solve for x
    x = 79,840,669.72/10,577.97
  6. Step 6: Final answer
    x = 7,547.83

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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.