Home / 16,138.98-22,273.92-9,065.79

Finding the Fourth Proportional to 16,138.98, 22,273.92 and 9,065.79

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Solution

The fourth proportional to 16,138.98, 22,273.92 and 9,065.79 is: 12,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.98 : 22,273.92 = 9,065.79 : x
  2. Step 2: Convert to fraction form
    16,138.98/22,273.92 = 9,065.79/x
  3. Step 3: Cross multiply
    16,138.98x = 22,273.92 × 9,065.79
  4. Step 4: Simplify right side
    16,138.98x = 201,930,681.20
  5. Step 5: Solve for x
    x = 201,930,681.20/16,138.98
  6. Step 6: Final answer
    x = 12,511.99

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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.