Home / 17,221.08-23,769.06-11,242.20

Finding the Fourth Proportional to 17,221.08, 23,769.06 and 11,242.20

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Solution

The fourth proportional to 17,221.08, 23,769.06 and 11,242.20 is: 15,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.08 : 23,769.06 = 11,242.20 : x
  2. Step 2: Convert to fraction form
    17,221.08/23,769.06 = 11,242.20/x
  3. Step 3: Cross multiply
    17,221.08x = 23,769.06 × 11,242.20
  4. Step 4: Simplify right side
    17,221.08x = 267,216,526.33
  5. Step 5: Solve for x
    x = 267,216,526.33/17,221.08
  6. Step 6: Final answer
    x = 15,516.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.