Home / 18,722.12-25,834.20-10,338.56

Finding the Fourth Proportional to 18,722.12, 25,834.20 and 10,338.56

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Solution

The fourth proportional to 18,722.12, 25,834.20 and 10,338.56 is: 14,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.12 : 25,834.20 = 10,338.56 : x
  2. Step 2: Convert to fraction form
    18,722.12/25,834.20 = 10,338.56/x
  3. Step 3: Cross multiply
    18,722.12x = 25,834.20 × 10,338.56
  4. Step 4: Simplify right side
    18,722.12x = 267,088,426.75
  5. Step 5: Solve for x
    x = 267,088,426.75/18,722.12
  6. Step 6: Final answer
    x = 14,265.93

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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.