Home / 13,433.28-18,529.56-9,234.24

Finding the Fourth Proportional to 13,433.28, 18,529.56 and 9,234.24

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Solution

The fourth proportional to 13,433.28, 18,529.56 and 9,234.24 is: 12,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.28 : 18,529.56 = 9,234.24 : x
  2. Step 2: Convert to fraction form
    13,433.28/18,529.56 = 9,234.24/x
  3. Step 3: Cross multiply
    13,433.28x = 18,529.56 × 9,234.24
  4. Step 4: Simplify right side
    13,433.28x = 171,106,404.13
  5. Step 5: Solve for x
    x = 171,106,404.13/13,433.28
  6. Step 6: Final answer
    x = 12,737.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.