Home / 21,883.72-32,831.88-10,793.80

Finding the Fourth Proportional to 21,883.72, 32,831.88 and 10,793.80

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Solution

The fourth proportional to 21,883.72, 32,831.88 and 10,793.80 is: 16,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.72 : 32,831.88 = 10,793.80 : x
  2. Step 2: Convert to fraction form
    21,883.72/32,831.88 = 10,793.80/x
  3. Step 3: Cross multiply
    21,883.72x = 32,831.88 × 10,793.80
  4. Step 4: Simplify right side
    21,883.72x = 354,380,746.34
  5. Step 5: Solve for x
    x = 354,380,746.34/21,883.72
  6. Step 6: Final answer
    x = 16,193.81

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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.