Home / 19,439.70-29,150.28-10,540.83

Finding the Fourth Proportional to 19,439.70, 29,150.28 and 10,540.83

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Solution

The fourth proportional to 19,439.70, 29,150.28 and 10,540.83 is: 15,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.70 : 29,150.28 = 10,540.83 : x
  2. Step 2: Convert to fraction form
    19,439.70/29,150.28 = 10,540.83/x
  3. Step 3: Cross multiply
    19,439.70x = 29,150.28 × 10,540.83
  4. Step 4: Simplify right side
    19,439.70x = 307,268,255.25
  5. Step 5: Solve for x
    x = 307,268,255.25/19,439.70
  6. Step 6: Final answer
    x = 15,806.23

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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.