Home / 15,472.18-23,209.49-4,378.94

Finding the Fourth Proportional to 15,472.18, 23,209.49 and 4,378.94

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Solution

The fourth proportional to 15,472.18, 23,209.49 and 4,378.94 is: 6,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.18 : 23,209.49 = 4,378.94 : x
  2. Step 2: Convert to fraction form
    15,472.18/23,209.49 = 4,378.94/x
  3. Step 3: Cross multiply
    15,472.18x = 23,209.49 × 4,378.94
  4. Step 4: Simplify right side
    15,472.18x = 101,632,859.04
  5. Step 5: Solve for x
    x = 101,632,859.04/15,472.18
  6. Step 6: Final answer
    x = 6,568.75

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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.