Home / 12,016.80-18,000.90-6,176.70

Finding the Fourth Proportional to 12,016.80, 18,000.90 and 6,176.70

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Solution

The fourth proportional to 12,016.80, 18,000.90 and 6,176.70 is: 9,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.80 : 18,000.90 = 6,176.70 : x
  2. Step 2: Convert to fraction form
    12,016.80/18,000.90 = 6,176.70/x
  3. Step 3: Cross multiply
    12,016.80x = 18,000.90 × 6,176.70
  4. Step 4: Simplify right side
    12,016.80x = 111,186,159.03
  5. Step 5: Solve for x
    x = 111,186,159.03/12,016.80
  6. Step 6: Final answer
    x = 9,252.56

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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.