Home / 15,983.73-22,042.53-12,634.52

Finding the Fourth Proportional to 15,983.73, 22,042.53 and 12,634.52

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Solution

The fourth proportional to 15,983.73, 22,042.53 and 12,634.52 is: 17,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.73 : 22,042.53 = 12,634.52 : x
  2. Step 2: Convert to fraction form
    15,983.73/22,042.53 = 12,634.52/x
  3. Step 3: Cross multiply
    15,983.73x = 22,042.53 × 12,634.52
  4. Step 4: Simplify right side
    15,983.73x = 278,496,675.92
  5. Step 5: Solve for x
    x = 278,496,675.92/15,983.73
  6. Step 6: Final answer
    x = 17,423.76

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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.