Home / 22,444.79-30,972.42-12,372.71

Finding the Fourth Proportional to 22,444.79, 30,972.42 and 12,372.71

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Solution

The fourth proportional to 22,444.79, 30,972.42 and 12,372.71 is: 17,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.79 : 30,972.42 = 12,372.71 : x
  2. Step 2: Convert to fraction form
    22,444.79/30,972.42 = 12,372.71/x
  3. Step 3: Cross multiply
    22,444.79x = 30,972.42 × 12,372.71
  4. Step 4: Simplify right side
    22,444.79x = 383,212,770.66
  5. Step 5: Solve for x
    x = 383,212,770.66/22,444.79
  6. Step 6: Final answer
    x = 17,073.57

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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.