Home / 22,434.67-30,959.44-12,225.79

Finding the Fourth Proportional to 22,434.67, 30,959.44 and 12,225.79

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Solution

The fourth proportional to 22,434.67, 30,959.44 and 12,225.79 is: 16,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.67 : 30,959.44 = 12,225.79 : x
  2. Step 2: Convert to fraction form
    22,434.67/30,959.44 = 12,225.79/x
  3. Step 3: Cross multiply
    22,434.67x = 30,959.44 × 12,225.79
  4. Step 4: Simplify right side
    22,434.67x = 378,503,519.28
  5. Step 5: Solve for x
    x = 378,503,519.28/22,434.67
  6. Step 6: Final answer
    x = 16,871.37

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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.