Home / 23,314.28-34,981.76-12,218.33

Finding the Fourth Proportional to 23,314.28, 34,981.76 and 12,218.33

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Solution

The fourth proportional to 23,314.28, 34,981.76 and 12,218.33 is: 18,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,314.28 : 34,981.76 = 12,218.33 : x
  2. Step 2: Convert to fraction form
    23,314.28/34,981.76 = 12,218.33/x
  3. Step 3: Cross multiply
    23,314.28x = 34,981.76 × 12,218.33
  4. Step 4: Simplify right side
    23,314.28x = 427,418,687.66
  5. Step 5: Solve for x
    x = 427,418,687.66/23,314.28
  6. Step 6: Final answer
    x = 18,332.91

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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.