Home / 11,122.28-15,348.17-6,342.37

Finding the Fourth Proportional to 11,122.28, 15,348.17 and 6,342.37

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Solution

The fourth proportional to 11,122.28, 15,348.17 and 6,342.37 is: 8,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.28 : 15,348.17 = 6,342.37 : x
  2. Step 2: Convert to fraction form
    11,122.28/15,348.17 = 6,342.37/x
  3. Step 3: Cross multiply
    11,122.28x = 15,348.17 × 6,342.37
  4. Step 4: Simplify right side
    11,122.28x = 97,343,772.96
  5. Step 5: Solve for x
    x = 97,343,772.96/11,122.28
  6. Step 6: Final answer
    x = 8,752.14

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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.