Home / 22,015.64-30,381.05-12,192.61

Finding the Fourth Proportional to 22,015.64, 30,381.05 and 12,192.61

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Solution

The fourth proportional to 22,015.64, 30,381.05 and 12,192.61 is: 16,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.64 : 30,381.05 = 12,192.61 : x
  2. Step 2: Convert to fraction form
    22,015.64/30,381.05 = 12,192.61/x
  3. Step 3: Cross multiply
    22,015.64x = 30,381.05 × 12,192.61
  4. Step 4: Simplify right side
    22,015.64x = 370,424,248.57
  5. Step 5: Solve for x
    x = 370,424,248.57/22,015.64
  6. Step 6: Final answer
    x = 16,825.51

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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.