Home / 16,029.78-22,117.56-9,311.52

Finding the Fourth Proportional to 16,029.78, 22,117.56 and 9,311.52

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Solution

The fourth proportional to 16,029.78, 22,117.56 and 9,311.52 is: 12,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.78 : 22,117.56 = 9,311.52 : x
  2. Step 2: Convert to fraction form
    16,029.78/22,117.56 = 9,311.52/x
  3. Step 3: Cross multiply
    16,029.78x = 22,117.56 × 9,311.52
  4. Step 4: Simplify right side
    16,029.78x = 205,948,102.29
  5. Step 5: Solve for x
    x = 205,948,102.29/16,029.78
  6. Step 6: Final answer
    x = 12,847.84

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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.