Home / 15,315.29-22,974.50-4,221.97

Finding the Fourth Proportional to 15,315.29, 22,974.50 and 4,221.97

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Solution

The fourth proportional to 15,315.29, 22,974.50 and 4,221.97 is: 6,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.29 : 22,974.50 = 4,221.97 : x
  2. Step 2: Convert to fraction form
    15,315.29/22,974.50 = 4,221.97/x
  3. Step 3: Cross multiply
    15,315.29x = 22,974.50 × 4,221.97
  4. Step 4: Simplify right side
    15,315.29x = 96,997,602.88
  5. Step 5: Solve for x
    x = 96,997,602.88/15,315.29
  6. Step 6: Final answer
    x = 6,333.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.