Home / 10,089.26-15,138.24-3,851.14

Finding the Fourth Proportional to 10,089.26, 15,138.24 and 3,851.14

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Solution

The fourth proportional to 10,089.26, 15,138.24 and 3,851.14 is: 5,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.26 : 15,138.24 = 3,851.14 : x
  2. Step 2: Convert to fraction form
    10,089.26/15,138.24 = 3,851.14/x
  3. Step 3: Cross multiply
    10,089.26x = 15,138.24 × 3,851.14
  4. Step 4: Simplify right side
    10,089.26x = 58,299,462.34
  5. Step 5: Solve for x
    x = 58,299,462.34/10,089.26
  6. Step 6: Final answer
    x = 5,778.37

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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.