Home / 21,422.25-32,154.15-10,336.73

Finding the Fourth Proportional to 21,422.25, 32,154.15 and 10,336.73

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Solution

The fourth proportional to 21,422.25, 32,154.15 and 10,336.73 is: 15,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422.25 : 32,154.15 = 10,336.73 : x
  2. Step 2: Convert to fraction form
    21,422.25/32,154.15 = 10,336.73/x
  3. Step 3: Cross multiply
    21,422.25x = 32,154.15 × 10,336.73
  4. Step 4: Simplify right side
    21,422.25x = 332,368,606.16
  5. Step 5: Solve for x
    x = 332,368,606.16/21,422.25
  6. Step 6: Final answer
    x = 15,515.11

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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.