Home / 11,057.40-15,230.16-8,500.28

Finding the Fourth Proportional to 11,057.40, 15,230.16 and 8,500.28

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Solution

The fourth proportional to 11,057.40, 15,230.16 and 8,500.28 is: 11,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.40 : 15,230.16 = 8,500.28 : x
  2. Step 2: Convert to fraction form
    11,057.40/15,230.16 = 8,500.28/x
  3. Step 3: Cross multiply
    11,057.40x = 15,230.16 × 8,500.28
  4. Step 4: Simplify right side
    11,057.40x = 129,460,624.44
  5. Step 5: Solve for x
    x = 129,460,624.44/11,057.40
  6. Step 6: Final answer
    x = 11,708.05

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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.