Home / 23,330.97-32,197.19-12,721.05

Finding the Fourth Proportional to 23,330.97, 32,197.19 and 12,721.05

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Solution

The fourth proportional to 23,330.97, 32,197.19 and 12,721.05 is: 17,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.97 : 32,197.19 = 12,721.05 : x
  2. Step 2: Convert to fraction form
    23,330.97/32,197.19 = 12,721.05/x
  3. Step 3: Cross multiply
    23,330.97x = 32,197.19 × 12,721.05
  4. Step 4: Simplify right side
    23,330.97x = 409,582,000.24
  5. Step 5: Solve for x
    x = 409,582,000.24/23,330.97
  6. Step 6: Final answer
    x = 17,555.29

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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.