Home / 11,184.63-16,778.97-9,122.91

Finding the Fourth Proportional to 11,184.63, 16,778.97 and 9,122.91

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Solution

The fourth proportional to 11,184.63, 16,778.97 and 9,122.91 is: 13,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.63 : 16,778.97 = 9,122.91 : x
  2. Step 2: Convert to fraction form
    11,184.63/16,778.97 = 9,122.91/x
  3. Step 3: Cross multiply
    11,184.63x = 16,778.97 × 9,122.91
  4. Step 4: Simplify right side
    11,184.63x = 153,073,033.20
  5. Step 5: Solve for x
    x = 153,073,033.20/11,184.63
  6. Step 6: Final answer
    x = 13,686.02

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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.