Home / 22,821.18-31,493.14-12,749.66

Finding the Fourth Proportional to 22,821.18, 31,493.14 and 12,749.66

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Solution

The fourth proportional to 22,821.18, 31,493.14 and 12,749.66 is: 17,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.18 : 31,493.14 = 12,749.66 : x
  2. Step 2: Convert to fraction form
    22,821.18/31,493.14 = 12,749.66/x
  3. Step 3: Cross multiply
    22,821.18x = 31,493.14 × 12,749.66
  4. Step 4: Simplify right side
    22,821.18x = 401,526,827.33
  5. Step 5: Solve for x
    x = 401,526,827.33/22,821.18
  6. Step 6: Final answer
    x = 17,594.48

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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.