Home / 9,023.28-13,536-3,178.68

Finding the Fourth Proportional to 9,023.28, 13,536 and 3,178.68

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Solution

The fourth proportional to 9,023.28, 13,536 and 3,178.68 is: 4,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023.28 : 13,536 = 3,178.68 : x
  2. Step 2: Convert to fraction form
    9,023.28/13,536 = 3,178.68/x
  3. Step 3: Cross multiply
    9,023.28x = 13,536 × 3,178.68
  4. Step 4: Simplify right side
    9,023.28x = 43,026,612.48
  5. Step 5: Solve for x
    x = 43,026,612.48/9,023.28
  6. Step 6: Final answer
    x = 4,768.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.