Home / 22,818.68-31,486.67-12,745.84

Finding the Fourth Proportional to 22,818.68, 31,486.67 and 12,745.84

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Solution

The fourth proportional to 22,818.68, 31,486.67 and 12,745.84 is: 17,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.68 : 31,486.67 = 12,745.84 : x
  2. Step 2: Convert to fraction form
    22,818.68/31,486.67 = 12,745.84/x
  3. Step 3: Cross multiply
    22,818.68x = 31,486.67 × 12,745.84
  4. Step 4: Simplify right side
    22,818.68x = 401,324,057.95
  5. Step 5: Solve for x
    x = 401,324,057.95/22,818.68
  6. Step 6: Final answer
    x = 17,587.52

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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.