Home / 22,452.93-30,984.34-12,381.80

Finding the Fourth Proportional to 22,452.93, 30,984.34 and 12,381.80

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Solution

The fourth proportional to 22,452.93, 30,984.34 and 12,381.80 is: 17,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.93 : 30,984.34 = 12,381.80 : x
  2. Step 2: Convert to fraction form
    22,452.93/30,984.34 = 12,381.80/x
  3. Step 3: Cross multiply
    22,452.93x = 30,984.34 × 12,381.80
  4. Step 4: Simplify right side
    22,452.93x = 383,641,831.33
  5. Step 5: Solve for x
    x = 383,641,831.33/22,452.93
  6. Step 6: Final answer
    x = 17,086.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.