Home / 10,155.52-15,233.22-3,831.58

Finding the Fourth Proportional to 10,155.52, 15,233.22 and 3,831.58

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Solution

The fourth proportional to 10,155.52, 15,233.22 and 3,831.58 is: 5,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.52 : 15,233.22 = 3,831.58 : x
  2. Step 2: Convert to fraction form
    10,155.52/15,233.22 = 3,831.58/x
  3. Step 3: Cross multiply
    10,155.52x = 15,233.22 × 3,831.58
  4. Step 4: Simplify right side
    10,155.52x = 58,367,301.09
  5. Step 5: Solve for x
    x = 58,367,301.09/10,155.52
  6. Step 6: Final answer
    x = 5,747.35

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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.