Home / 16,257.60-24,386.40-6,391.49

Finding the Fourth Proportional to 16,257.60, 24,386.40 and 6,391.49

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Solution

The fourth proportional to 16,257.60, 24,386.40 and 6,391.49 is: 9,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,257.60 : 24,386.40 = 6,391.49 : x
  2. Step 2: Convert to fraction form
    16,257.60/24,386.40 = 6,391.49/x
  3. Step 3: Cross multiply
    16,257.60x = 24,386.40 × 6,391.49
  4. Step 4: Simplify right side
    16,257.60x = 155,865,309.80
  5. Step 5: Solve for x
    x = 155,865,309.80/16,257.60
  6. Step 6: Final answer
    x = 9,587.23

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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.