Home / 22,214.04-30,654.82-12,787.80

Finding the Fourth Proportional to 22,214.04, 30,654.82 and 12,787.80

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Solution

The fourth proportional to 22,214.04, 30,654.82 and 12,787.80 is: 17,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.04 : 30,654.82 = 12,787.80 : x
  2. Step 2: Convert to fraction form
    22,214.04/30,654.82 = 12,787.80/x
  3. Step 3: Cross multiply
    22,214.04x = 30,654.82 × 12,787.80
  4. Step 4: Simplify right side
    22,214.04x = 392,007,707.20
  5. Step 5: Solve for x
    x = 392,007,707.20/22,214.04
  6. Step 6: Final answer
    x = 17,646.84

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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.