Home / 22,376.18-30,877.54-12,304.46

Finding the Fourth Proportional to 22,376.18, 30,877.54 and 12,304.46

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Solution

The fourth proportional to 22,376.18, 30,877.54 and 12,304.46 is: 16,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.18 : 30,877.54 = 12,304.46 : x
  2. Step 2: Convert to fraction form
    22,376.18/30,877.54 = 12,304.46/x
  3. Step 3: Cross multiply
    22,376.18x = 30,877.54 × 12,304.46
  4. Step 4: Simplify right side
    22,376.18x = 379,931,270.68
  5. Step 5: Solve for x
    x = 379,931,270.68/22,376.18
  6. Step 6: Final answer
    x = 16,979.28

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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.