Home / 18,081.21-24,951.80-10,123.71

Finding the Fourth Proportional to 18,081.21, 24,951.80 and 10,123.71

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Solution

The fourth proportional to 18,081.21, 24,951.80 and 10,123.71 is: 13,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.21 : 24,951.80 = 10,123.71 : x
  2. Step 2: Convert to fraction form
    18,081.21/24,951.80 = 10,123.71/x
  3. Step 3: Cross multiply
    18,081.21x = 24,951.80 × 10,123.71
  4. Step 4: Simplify right side
    18,081.21x = 252,604,736.56
  5. Step 5: Solve for x
    x = 252,604,736.56/18,081.21
  6. Step 6: Final answer
    x = 13,970.57

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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.