Home / 12,787.32-19,168.57-6,550.27

Finding the Fourth Proportional to 12,787.32, 19,168.57 and 6,550.27

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Solution

The fourth proportional to 12,787.32, 19,168.57 and 6,550.27 is: 9,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.32 : 19,168.57 = 6,550.27 : x
  2. Step 2: Convert to fraction form
    12,787.32/19,168.57 = 6,550.27/x
  3. Step 3: Cross multiply
    12,787.32x = 19,168.57 × 6,550.27
  4. Step 4: Simplify right side
    12,787.32x = 125,559,309.01
  5. Step 5: Solve for x
    x = 125,559,309.01/12,787.32
  6. Step 6: Final answer
    x = 9,819.05

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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.