Home / 18,221.22-25,146.18-10,264.32

Finding the Fourth Proportional to 18,221.22, 25,146.18 and 10,264.32

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Solution

The fourth proportional to 18,221.22, 25,146.18 and 10,264.32 is: 14,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.22 : 25,146.18 = 10,264.32 : x
  2. Step 2: Convert to fraction form
    18,221.22/25,146.18 = 10,264.32/x
  3. Step 3: Cross multiply
    18,221.22x = 25,146.18 × 10,264.32
  4. Step 4: Simplify right side
    18,221.22x = 258,108,438.30
  5. Step 5: Solve for x
    x = 258,108,438.30/18,221.22
  6. Step 6: Final answer
    x = 14,165.27

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Similar ratio
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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.