Home / 21,995.06-30,358.14-18,452.12

Finding the Fourth Proportional to 21,995.06, 30,358.14 and 18,452.12

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Solution

The fourth proportional to 21,995.06, 30,358.14 and 18,452.12 is: 25,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.06 : 30,358.14 = 18,452.12 : x
  2. Step 2: Convert to fraction form
    21,995.06/30,358.14 = 18,452.12/x
  3. Step 3: Cross multiply
    21,995.06x = 30,358.14 × 18,452.12
  4. Step 4: Simplify right side
    21,995.06x = 560,172,042.26
  5. Step 5: Solve for x
    x = 560,172,042.26/21,995.06
  6. Step 6: Final answer
    x = 25,468.08

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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.