Home / 10,166.20-15,249.30-5,792.20

Finding the Fourth Proportional to 10,166.20, 15,249.30 and 5,792.20

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Solution

The fourth proportional to 10,166.20, 15,249.30 and 5,792.20 is: 8,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.20 : 15,249.30 = 5,792.20 : x
  2. Step 2: Convert to fraction form
    10,166.20/15,249.30 = 5,792.20/x
  3. Step 3: Cross multiply
    10,166.20x = 15,249.30 × 5,792.20
  4. Step 4: Simplify right side
    10,166.20x = 88,326,995.46
  5. Step 5: Solve for x
    x = 88,326,995.46/10,166.20
  6. Step 6: Final answer
    x = 8,688.30

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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.