Home / 22,680.61-31,299.21-12,608.73

Finding the Fourth Proportional to 22,680.61, 31,299.21 and 12,608.73

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Solution

The fourth proportional to 22,680.61, 31,299.21 and 12,608.73 is: 17,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.61 : 31,299.21 = 12,608.73 : x
  2. Step 2: Convert to fraction form
    22,680.61/31,299.21 = 12,608.73/x
  3. Step 3: Cross multiply
    22,680.61x = 31,299.21 × 12,608.73
  4. Step 4: Simplify right side
    22,680.61x = 394,643,288.10
  5. Step 5: Solve for x
    x = 394,643,288.10/22,680.61
  6. Step 6: Final answer
    x = 17,400.03

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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.