Home / 11,451.38-15,803.51-6,734.75

Finding the Fourth Proportional to 11,451.38, 15,803.51 and 6,734.75

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Solution

The fourth proportional to 11,451.38, 15,803.51 and 6,734.75 is: 9,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.38 : 15,803.51 = 6,734.75 : x
  2. Step 2: Convert to fraction form
    11,451.38/15,803.51 = 6,734.75/x
  3. Step 3: Cross multiply
    11,451.38x = 15,803.51 × 6,734.75
  4. Step 4: Simplify right side
    11,451.38x = 106,432,576.28
  5. Step 5: Solve for x
    x = 106,432,576.28/11,451.38
  6. Step 6: Final answer
    x = 9,294.31

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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.