Home / 22,747.68-31,394.34-12,677.04

Finding the Fourth Proportional to 22,747.68, 31,394.34 and 12,677.04

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Solution

The fourth proportional to 22,747.68, 31,394.34 and 12,677.04 is: 17,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.68 : 31,394.34 = 12,677.04 : x
  2. Step 2: Convert to fraction form
    22,747.68/31,394.34 = 12,677.04/x
  3. Step 3: Cross multiply
    22,747.68x = 31,394.34 × 12,677.04
  4. Step 4: Simplify right side
    22,747.68x = 397,987,303.95
  5. Step 5: Solve for x
    x = 397,987,303.95/22,747.68
  6. Step 6: Final answer
    x = 17,495.73

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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.