Home / 10,663.20-15,995.20-2,872.22

Finding the Fourth Proportional to 10,663.20, 15,995.20 and 2,872.22

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Solution

The fourth proportional to 10,663.20, 15,995.20 and 2,872.22 is: 4,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.20 : 15,995.20 = 2,872.22 : x
  2. Step 2: Convert to fraction form
    10,663.20/15,995.20 = 2,872.22/x
  3. Step 3: Cross multiply
    10,663.20x = 15,995.20 × 2,872.22
  4. Step 4: Simplify right side
    10,663.20x = 45,941,733.34
  5. Step 5: Solve for x
    x = 45,941,733.34/10,663.20
  6. Step 6: Final answer
    x = 4,308.44

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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.