Home / 13,831.08-20,746.62-3,442.83

Finding the Fourth Proportional to 13,831.08, 20,746.62 and 3,442.83

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Solution

The fourth proportional to 13,831.08, 20,746.62 and 3,442.83 is: 5,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.08 : 20,746.62 = 3,442.83 : x
  2. Step 2: Convert to fraction form
    13,831.08/20,746.62 = 3,442.83/x
  3. Step 3: Cross multiply
    13,831.08x = 20,746.62 × 3,442.83
  4. Step 4: Simplify right side
    13,831.08x = 71,427,085.73
  5. Step 5: Solve for x
    x = 71,427,085.73/13,831.08
  6. Step 6: Final answer
    x = 5,164.25

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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.