Home / 11,727.61-16,184.11-6,422.42

Finding the Fourth Proportional to 11,727.61, 16,184.11 and 6,422.42

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Solution

The fourth proportional to 11,727.61, 16,184.11 and 6,422.42 is: 8,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.61 : 16,184.11 = 6,422.42 : x
  2. Step 2: Convert to fraction form
    11,727.61/16,184.11 = 6,422.42/x
  3. Step 3: Cross multiply
    11,727.61x = 16,184.11 × 6,422.42
  4. Step 4: Simplify right side
    11,727.61x = 103,941,119.63
  5. Step 5: Solve for x
    x = 103,941,119.63/11,727.61
  6. Step 6: Final answer
    x = 8,862.95

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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.