Home / 12,226.19-16,872.17-6,637.19

Finding the Fourth Proportional to 12,226.19, 16,872.17 and 6,637.19

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Solution

The fourth proportional to 12,226.19, 16,872.17 and 6,637.19 is: 9,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.19 : 16,872.17 = 6,637.19 : x
  2. Step 2: Convert to fraction form
    12,226.19/16,872.17 = 6,637.19/x
  3. Step 3: Cross multiply
    12,226.19x = 16,872.17 × 6,637.19
  4. Step 4: Simplify right side
    12,226.19x = 111,983,680.46
  5. Step 5: Solve for x
    x = 111,983,680.46/12,226.19
  6. Step 6: Final answer
    x = 9,159.33

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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.