Home / 10,572.72-15,829.68-5,352.96

Finding the Fourth Proportional to 10,572.72, 15,829.68 and 5,352.96

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Solution

The fourth proportional to 10,572.72, 15,829.68 and 5,352.96 is: 8,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.72 : 15,829.68 = 5,352.96 : x
  2. Step 2: Convert to fraction form
    10,572.72/15,829.68 = 5,352.96/x
  3. Step 3: Cross multiply
    10,572.72x = 15,829.68 × 5,352.96
  4. Step 4: Simplify right side
    10,572.72x = 84,735,643.85
  5. Step 5: Solve for x
    x = 84,735,643.85/10,572.72
  6. Step 6: Final answer
    x = 8,014.55

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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.