Home / 16,143.39-22,288.65-10,102.80

Finding the Fourth Proportional to 16,143.39, 22,288.65 and 10,102.80

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Solution

The fourth proportional to 16,143.39, 22,288.65 and 10,102.80 is: 13,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.39 : 22,288.65 = 10,102.80 : x
  2. Step 2: Convert to fraction form
    16,143.39/22,288.65 = 10,102.80/x
  3. Step 3: Cross multiply
    16,143.39x = 22,288.65 × 10,102.80
  4. Step 4: Simplify right side
    16,143.39x = 225,177,773.22
  5. Step 5: Solve for x
    x = 225,177,773.22/16,143.39
  6. Step 6: Final answer
    x = 13,948.61

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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.