Home / 10,854.46-16,278.36-4,189.42

Finding the Fourth Proportional to 10,854.46, 16,278.36 and 4,189.42

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Solution

The fourth proportional to 10,854.46, 16,278.36 and 4,189.42 is: 6,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.46 : 16,278.36 = 4,189.42 : x
  2. Step 2: Convert to fraction form
    10,854.46/16,278.36 = 4,189.42/x
  3. Step 3: Cross multiply
    10,854.46x = 16,278.36 × 4,189.42
  4. Step 4: Simplify right side
    10,854.46x = 68,196,886.95
  5. Step 5: Solve for x
    x = 68,196,886.95/10,854.46
  6. Step 6: Final answer
    x = 6,282.84

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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.