Home / 11,082.40-16,612.40-5,527.20

Finding the Fourth Proportional to 11,082.40, 16,612.40 and 5,527.20

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Solution

The fourth proportional to 11,082.40, 16,612.40 and 5,527.20 is: 8,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.40 : 16,612.40 = 5,527.20 : x
  2. Step 2: Convert to fraction form
    11,082.40/16,612.40 = 5,527.20/x
  3. Step 3: Cross multiply
    11,082.40x = 16,612.40 × 5,527.20
  4. Step 4: Simplify right side
    11,082.40x = 91,820,057.28
  5. Step 5: Solve for x
    x = 91,820,057.28/11,082.40
  6. Step 6: Final answer
    x = 8,285.21

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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.