Home / 12,186.08-18,279.13-2,952.08

Finding the Fourth Proportional to 12,186.08, 18,279.13 and 2,952.08

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Solution

The fourth proportional to 12,186.08, 18,279.13 and 2,952.08 is: 4,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.08 : 18,279.13 = 2,952.08 : x
  2. Step 2: Convert to fraction form
    12,186.08/18,279.13 = 2,952.08/x
  3. Step 3: Cross multiply
    12,186.08x = 18,279.13 × 2,952.08
  4. Step 4: Simplify right side
    12,186.08x = 53,961,454.09
  5. Step 5: Solve for x
    x = 53,961,454.09/12,186.08
  6. Step 6: Final answer
    x = 4,428.12

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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.