Home / 10,114.26-15,161.60-3,869.47

Finding the Fourth Proportional to 10,114.26, 15,161.60 and 3,869.47

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Solution

The fourth proportional to 10,114.26, 15,161.60 and 3,869.47 is: 5,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.26 : 15,161.60 = 3,869.47 : x
  2. Step 2: Convert to fraction form
    10,114.26/15,161.60 = 3,869.47/x
  3. Step 3: Cross multiply
    10,114.26x = 15,161.60 × 3,869.47
  4. Step 4: Simplify right side
    10,114.26x = 58,667,261.20
  5. Step 5: Solve for x
    x = 58,667,261.20/10,114.26
  6. Step 6: Final answer
    x = 5,800.45

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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.