Home / 21,963.40-32,937.90-8,110.60

Finding the Fourth Proportional to 21,963.40, 32,937.90 and 8,110.60

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Solution

The fourth proportional to 21,963.40, 32,937.90 and 8,110.60 is: 12,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.40 : 32,937.90 = 8,110.60 : x
  2. Step 2: Convert to fraction form
    21,963.40/32,937.90 = 8,110.60/x
  3. Step 3: Cross multiply
    21,963.40x = 32,937.90 × 8,110.60
  4. Step 4: Simplify right side
    21,963.40x = 267,146,131.74
  5. Step 5: Solve for x
    x = 267,146,131.74/21,963.40
  6. Step 6: Final answer
    x = 12,163.24

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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.