Home / 10,090.28-15,125.70-5,162.24

Finding the Fourth Proportional to 10,090.28, 15,125.70 and 5,162.24

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Solution

The fourth proportional to 10,090.28, 15,125.70 and 5,162.24 is: 7,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.28 : 15,125.70 = 5,162.24 : x
  2. Step 2: Convert to fraction form
    10,090.28/15,125.70 = 5,162.24/x
  3. Step 3: Cross multiply
    10,090.28x = 15,125.70 × 5,162.24
  4. Step 4: Simplify right side
    10,090.28x = 78,082,493.57
  5. Step 5: Solve for x
    x = 78,082,493.57/10,090.28
  6. Step 6: Final answer
    x = 7,738.39

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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.