Home / 15,399.04-23,077.24-8,811.28

Finding the Fourth Proportional to 15,399.04, 23,077.24 and 8,811.28

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Solution

The fourth proportional to 15,399.04, 23,077.24 and 8,811.28 is: 13,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.04 : 23,077.24 = 8,811.28 : x
  2. Step 2: Convert to fraction form
    15,399.04/23,077.24 = 8,811.28/x
  3. Step 3: Cross multiply
    15,399.04x = 23,077.24 × 8,811.28
  4. Step 4: Simplify right side
    15,399.04x = 203,340,023.27
  5. Step 5: Solve for x
    x = 203,340,023.27/15,399.04
  6. Step 6: Final answer
    x = 13,204.72

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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.