Home / 22,680.60-31,295.58-12,608.88

Finding the Fourth Proportional to 22,680.60, 31,295.58 and 12,608.88

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Solution

The fourth proportional to 22,680.60, 31,295.58 and 12,608.88 is: 17,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.60 : 31,295.58 = 12,608.88 : x
  2. Step 2: Convert to fraction form
    22,680.60/31,295.58 = 12,608.88/x
  3. Step 3: Cross multiply
    22,680.60x = 31,295.58 × 12,608.88
  4. Step 4: Simplify right side
    22,680.60x = 394,602,212.75
  5. Step 5: Solve for x
    x = 394,602,212.75/22,680.60
  6. Step 6: Final answer
    x = 17,398.23

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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.