Home / 12,376.12-17,079.18-6,787.48

Finding the Fourth Proportional to 12,376.12, 17,079.18 and 6,787.48

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Solution

The fourth proportional to 12,376.12, 17,079.18 and 6,787.48 is: 9,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.12 : 17,079.18 = 6,787.48 : x
  2. Step 2: Convert to fraction form
    12,376.12/17,079.18 = 6,787.48/x
  3. Step 3: Cross multiply
    12,376.12x = 17,079.18 × 6,787.48
  4. Step 4: Simplify right side
    12,376.12x = 115,924,592.67
  5. Step 5: Solve for x
    x = 115,924,592.67/12,376.12
  6. Step 6: Final answer
    x = 9,366.80

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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.