Home / 12,166.04-16,787.88-8,981.02

Finding the Fourth Proportional to 12,166.04, 16,787.88 and 8,981.02

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Solution

The fourth proportional to 12,166.04, 16,787.88 and 8,981.02 is: 12,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.04 : 16,787.88 = 8,981.02 : x
  2. Step 2: Convert to fraction form
    12,166.04/16,787.88 = 8,981.02/x
  3. Step 3: Cross multiply
    12,166.04x = 16,787.88 × 8,981.02
  4. Step 4: Simplify right side
    12,166.04x = 150,772,286.04
  5. Step 5: Solve for x
    x = 150,772,286.04/12,166.04
  6. Step 6: Final answer
    x = 12,392.88

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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.