Home / 10,564.92-15,847.74-3,989.52

Finding the Fourth Proportional to 10,564.92, 15,847.74 and 3,989.52

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Solution

The fourth proportional to 10,564.92, 15,847.74 and 3,989.52 is: 5,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.92 : 15,847.74 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    10,564.92/15,847.74 = 3,989.52/x
  3. Step 3: Cross multiply
    10,564.92x = 15,847.74 × 3,989.52
  4. Step 4: Simplify right side
    10,564.92x = 63,224,875.68
  5. Step 5: Solve for x
    x = 63,224,875.68/10,564.92
  6. Step 6: Final answer
    x = 5,984.42

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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.