Home / 22,432.60-30,955.71-12,870.46

Finding the Fourth Proportional to 22,432.60, 30,955.71 and 12,870.46

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Solution

The fourth proportional to 22,432.60, 30,955.71 and 12,870.46 is: 17,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.60 : 30,955.71 = 12,870.46 : x
  2. Step 2: Convert to fraction form
    22,432.60/30,955.71 = 12,870.46/x
  3. Step 3: Cross multiply
    22,432.60x = 30,955.71 × 12,870.46
  4. Step 4: Simplify right side
    22,432.60x = 398,414,227.33
  5. Step 5: Solve for x
    x = 398,414,227.33/22,432.60
  6. Step 6: Final answer
    x = 17,760.50

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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.