Home / 16,302.40-24,439.20-9,721.60

Finding the Fourth Proportional to 16,302.40, 24,439.20 and 9,721.60

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Solution

The fourth proportional to 16,302.40, 24,439.20 and 9,721.60 is: 14,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,302.40 : 24,439.20 = 9,721.60 : x
  2. Step 2: Convert to fraction form
    16,302.40/24,439.20 = 9,721.60/x
  3. Step 3: Cross multiply
    16,302.40x = 24,439.20 × 9,721.60
  4. Step 4: Simplify right side
    16,302.40x = 237,588,126.72
  5. Step 5: Solve for x
    x = 237,588,126.72/16,302.40
  6. Step 6: Final answer
    x = 14,573.81

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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.