Home / 10,119.60-15,177.54-2,722.32

Finding the Fourth Proportional to 10,119.60, 15,177.54 and 2,722.32

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Solution

The fourth proportional to 10,119.60, 15,177.54 and 2,722.32 is: 4,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.60 : 15,177.54 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    10,119.60/15,177.54 = 2,722.32/x
  3. Step 3: Cross multiply
    10,119.60x = 15,177.54 × 2,722.32
  4. Step 4: Simplify right side
    10,119.60x = 41,318,120.69
  5. Step 5: Solve for x
    x = 41,318,120.69/10,119.60
  6. Step 6: Final answer
    x = 4,082.98

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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.