Home / 10,059.45-15,082.28-5,119.53

Finding the Fourth Proportional to 10,059.45, 15,082.28 and 5,119.53

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Solution

The fourth proportional to 10,059.45, 15,082.28 and 5,119.53 is: 7,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.45 : 15,082.28 = 5,119.53 : x
  2. Step 2: Convert to fraction form
    10,059.45/15,082.28 = 5,119.53/x
  3. Step 3: Cross multiply
    10,059.45x = 15,082.28 × 5,119.53
  4. Step 4: Simplify right side
    10,059.45x = 77,214,184.93
  5. Step 5: Solve for x
    x = 77,214,184.93/10,059.45
  6. Step 6: Final answer
    x = 7,675.79

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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.