Home / 22,447.16-30,976.66-12,376.53

Finding the Fourth Proportional to 22,447.16, 30,976.66 and 12,376.53

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Solution

The fourth proportional to 22,447.16, 30,976.66 and 12,376.53 is: 17,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.16 : 30,976.66 = 12,376.53 : x
  2. Step 2: Convert to fraction form
    22,447.16/30,976.66 = 12,376.53/x
  3. Step 3: Cross multiply
    22,447.16x = 30,976.66 × 12,376.53
  4. Step 4: Simplify right side
    22,447.16x = 383,383,561.79
  5. Step 5: Solve for x
    x = 383,383,561.79/22,447.16
  6. Step 6: Final answer
    x = 17,079.38

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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.