Home / 11,787.06-17,680.59-5,543.19

Finding the Fourth Proportional to 11,787.06, 17,680.59 and 5,543.19

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Solution

The fourth proportional to 11,787.06, 17,680.59 and 5,543.19 is: 8,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.06 : 17,680.59 = 5,543.19 : x
  2. Step 2: Convert to fraction form
    11,787.06/17,680.59 = 5,543.19/x
  3. Step 3: Cross multiply
    11,787.06x = 17,680.59 × 5,543.19
  4. Step 4: Simplify right side
    11,787.06x = 98,006,869.68
  5. Step 5: Solve for x
    x = 98,006,869.68/11,787.06
  6. Step 6: Final answer
    x = 8,314.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.