Home / 12,182.09-18,273.11-2,948.09

Finding the Fourth Proportional to 12,182.09, 18,273.11 and 2,948.09

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Solution

The fourth proportional to 12,182.09, 18,273.11 and 2,948.09 is: 4,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.09 : 18,273.11 = 2,948.09 : x
  2. Step 2: Convert to fraction form
    12,182.09/18,273.11 = 2,948.09/x
  3. Step 3: Cross multiply
    12,182.09x = 18,273.11 × 2,948.09
  4. Step 4: Simplify right side
    12,182.09x = 53,870,666.75
  5. Step 5: Solve for x
    x = 53,870,666.75/12,182.09
  6. Step 6: Final answer
    x = 4,422.12

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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.