Home / 10,021.48-15,028.92-3,447.52

Finding the Fourth Proportional to 10,021.48, 15,028.92 and 3,447.52

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Solution

The fourth proportional to 10,021.48, 15,028.92 and 3,447.52 is: 5,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.48 : 15,028.92 = 3,447.52 : x
  2. Step 2: Convert to fraction form
    10,021.48/15,028.92 = 3,447.52/x
  3. Step 3: Cross multiply
    10,021.48x = 15,028.92 × 3,447.52
  4. Step 4: Simplify right side
    10,021.48x = 51,812,502.28
  5. Step 5: Solve for x
    x = 51,812,502.28/10,021.48
  6. Step 6: Final answer
    x = 5,170.14

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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.