Home / 23,012.28-34,463.05-13,121.57

Finding the Fourth Proportional to 23,012.28, 34,463.05 and 13,121.57

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Solution

The fourth proportional to 23,012.28, 34,463.05 and 13,121.57 is: 19,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.28 : 34,463.05 = 13,121.57 : x
  2. Step 2: Convert to fraction form
    23,012.28/34,463.05 = 13,121.57/x
  3. Step 3: Cross multiply
    23,012.28x = 34,463.05 × 13,121.57
  4. Step 4: Simplify right side
    23,012.28x = 452,209,322.99
  5. Step 5: Solve for x
    x = 452,209,322.99/23,012.28
  6. Step 6: Final answer
    x = 19,650.78

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1.5x scale

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.