Home / 10,564.25-15,840.90-5,632.56

Finding the Fourth Proportional to 10,564.25, 15,840.90 and 5,632.56

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Solution

The fourth proportional to 10,564.25, 15,840.90 and 5,632.56 is: 8,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.25 : 15,840.90 = 5,632.56 : x
  2. Step 2: Convert to fraction form
    10,564.25/15,840.90 = 5,632.56/x
  3. Step 3: Cross multiply
    10,564.25x = 15,840.90 × 5,632.56
  4. Step 4: Simplify right side
    10,564.25x = 89,224,819.70
  5. Step 5: Solve for x
    x = 89,224,819.70/10,564.25
  6. Step 6: Final answer
    x = 8,445.92

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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.