Home / 10,977.57-15,150.24-6,731.42

Finding the Fourth Proportional to 10,977.57, 15,150.24 and 6,731.42

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Solution

The fourth proportional to 10,977.57, 15,150.24 and 6,731.42 is: 9,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.57 : 15,150.24 = 6,731.42 : x
  2. Step 2: Convert to fraction form
    10,977.57/15,150.24 = 6,731.42/x
  3. Step 3: Cross multiply
    10,977.57x = 15,150.24 × 6,731.42
  4. Step 4: Simplify right side
    10,977.57x = 101,982,552.79
  5. Step 5: Solve for x
    x = 101,982,552.79/10,977.57
  6. Step 6: Final answer
    x = 9,290.08

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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.