Home / 12,223.26-18,331.76-5,199.65

Finding the Fourth Proportional to 12,223.26, 18,331.76 and 5,199.65

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Solution

The fourth proportional to 12,223.26, 18,331.76 and 5,199.65 is: 7,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.26 : 18,331.76 = 5,199.65 : x
  2. Step 2: Convert to fraction form
    12,223.26/18,331.76 = 5,199.65/x
  3. Step 3: Cross multiply
    12,223.26x = 18,331.76 × 5,199.65
  4. Step 4: Simplify right side
    12,223.26x = 95,318,618.23
  5. Step 5: Solve for x
    x = 95,318,618.23/12,223.26
  6. Step 6: Final answer
    x = 7,798.13

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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.