Home / 16,231.60-22,391.40-14,951.80

Finding the Fourth Proportional to 16,231.60, 22,391.40 and 14,951.80

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Solution

The fourth proportional to 16,231.60, 22,391.40 and 14,951.80 is: 20,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.60 : 22,391.40 = 14,951.80 : x
  2. Step 2: Convert to fraction form
    16,231.60/22,391.40 = 14,951.80/x
  3. Step 3: Cross multiply
    16,231.60x = 22,391.40 × 14,951.80
  4. Step 4: Simplify right side
    16,231.60x = 334,791,734.52
  5. Step 5: Solve for x
    x = 334,791,734.52/16,231.60
  6. Step 6: Final answer
    x = 20,625.92

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1.5x scale

Why These Related Problems?

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