Home / 21,481.64-32,196.02-10,242.90

Finding the Fourth Proportional to 21,481.64, 32,196.02 and 10,242.90

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Solution

The fourth proportional to 21,481.64, 32,196.02 and 10,242.90 is: 15,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.64 : 32,196.02 = 10,242.90 : x
  2. Step 2: Convert to fraction form
    21,481.64/32,196.02 = 10,242.90/x
  3. Step 3: Cross multiply
    21,481.64x = 32,196.02 × 10,242.90
  4. Step 4: Simplify right side
    21,481.64x = 329,780,613.26
  5. Step 5: Solve for x
    x = 329,780,613.26/21,481.64
  6. Step 6: Final answer
    x = 15,351.74

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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.