Home / 15,043.14-20,757.20-8,670.02

Finding the Fourth Proportional to 15,043.14, 20,757.20 and 8,670.02

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Solution

The fourth proportional to 15,043.14, 20,757.20 and 8,670.02 is: 11,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.14 : 20,757.20 = 8,670.02 : x
  2. Step 2: Convert to fraction form
    15,043.14/20,757.20 = 8,670.02/x
  3. Step 3: Cross multiply
    15,043.14x = 20,757.20 × 8,670.02
  4. Step 4: Simplify right side
    15,043.14x = 179,965,192.01
  5. Step 5: Solve for x
    x = 179,965,192.01/15,043.14
  6. Step 6: Final answer
    x = 11,963.27

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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.