Home / 12,371.08-18,549.14-4,865.65

Finding the Fourth Proportional to 12,371.08, 18,549.14 and 4,865.65

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Solution

The fourth proportional to 12,371.08, 18,549.14 and 4,865.65 is: 7,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.08 : 18,549.14 = 4,865.65 : x
  2. Step 2: Convert to fraction form
    12,371.08/18,549.14 = 4,865.65/x
  3. Step 3: Cross multiply
    12,371.08x = 18,549.14 × 4,865.65
  4. Step 4: Simplify right side
    12,371.08x = 90,253,623.04
  5. Step 5: Solve for x
    x = 90,253,623.04/12,371.08
  6. Step 6: Final answer
    x = 7,295.53

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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.