Home / 10,775.28-16,168.08-5,581.14

Finding the Fourth Proportional to 10,775.28, 16,168.08 and 5,581.14

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Solution

The fourth proportional to 10,775.28, 16,168.08 and 5,581.14 is: 8,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.28 : 16,168.08 = 5,581.14 : x
  2. Step 2: Convert to fraction form
    10,775.28/16,168.08 = 5,581.14/x
  3. Step 3: Cross multiply
    10,775.28x = 16,168.08 × 5,581.14
  4. Step 4: Simplify right side
    10,775.28x = 90,236,318.01
  5. Step 5: Solve for x
    x = 90,236,318.01/10,775.28
  6. Step 6: Final answer
    x = 8,374.38

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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.