Home / 16,286.02-22,472.30-9,212.28

Finding the Fourth Proportional to 16,286.02, 22,472.30 and 9,212.28

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Solution

The fourth proportional to 16,286.02, 22,472.30 and 9,212.28 is: 12,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.02 : 22,472.30 = 9,212.28 : x
  2. Step 2: Convert to fraction form
    16,286.02/22,472.30 = 9,212.28/x
  3. Step 3: Cross multiply
    16,286.02x = 22,472.30 × 9,212.28
  4. Step 4: Simplify right side
    16,286.02x = 207,021,119.84
  5. Step 5: Solve for x
    x = 207,021,119.84/16,286.02
  6. Step 6: Final answer
    x = 12,711.58

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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.