Home / 12,787.09-19,168.33-6,550.04

Finding the Fourth Proportional to 12,787.09, 19,168.33 and 6,550.04

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Solution

The fourth proportional to 12,787.09, 19,168.33 and 6,550.04 is: 9,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.09 : 19,168.33 = 6,550.04 : x
  2. Step 2: Convert to fraction form
    12,787.09/19,168.33 = 6,550.04/x
  3. Step 3: Cross multiply
    12,787.09x = 19,168.33 × 6,550.04
  4. Step 4: Simplify right side
    12,787.09x = 125,553,255.03
  5. Step 5: Solve for x
    x = 125,553,255.03/12,787.09
  6. Step 6: Final answer
    x = 9,818.75

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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.