Home / 11,727.84-16,184.28-6,422.58

Finding the Fourth Proportional to 11,727.84, 16,184.28 and 6,422.58

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Solution

The fourth proportional to 11,727.84, 16,184.28 and 6,422.58 is: 8,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.84 : 16,184.28 = 6,422.58 : x
  2. Step 2: Convert to fraction form
    11,727.84/16,184.28 = 6,422.58/x
  3. Step 3: Cross multiply
    11,727.84x = 16,184.28 × 6,422.58
  4. Step 4: Simplify right side
    11,727.84x = 103,944,833.04
  5. Step 5: Solve for x
    x = 103,944,833.04/11,727.84
  6. Step 6: Final answer
    x = 8,863.08

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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.