Home / 11,874.42-16,387.92-6,838.84

Finding the Fourth Proportional to 11,874.42, 16,387.92 and 6,838.84

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Solution

The fourth proportional to 11,874.42, 16,387.92 and 6,838.84 is: 9,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.42 : 16,387.92 = 6,838.84 : x
  2. Step 2: Convert to fraction form
    11,874.42/16,387.92 = 6,838.84/x
  3. Step 3: Cross multiply
    11,874.42x = 16,387.92 × 6,838.84
  4. Step 4: Simplify right side
    11,874.42x = 112,074,362.81
  5. Step 5: Solve for x
    x = 112,074,362.81/11,874.42
  6. Step 6: Final answer
    x = 9,438.30

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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.