Home / 14,179.08-19,562.67-8,209.20

Finding the Fourth Proportional to 14,179.08, 19,562.67 and 8,209.20

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Solution

The fourth proportional to 14,179.08, 19,562.67 and 8,209.20 is: 11,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.08 : 19,562.67 = 8,209.20 : x
  2. Step 2: Convert to fraction form
    14,179.08/19,562.67 = 8,209.20/x
  3. Step 3: Cross multiply
    14,179.08x = 19,562.67 × 8,209.20
  4. Step 4: Simplify right side
    14,179.08x = 160,593,870.56
  5. Step 5: Solve for x
    x = 160,593,870.56/14,179.08
  6. Step 6: Final answer
    x = 11,326.11

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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.