Home / 10,876.92-16,315.38-3,084.72

Finding the Fourth Proportional to 10,876.92, 16,315.38 and 3,084.72

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Solution

The fourth proportional to 10,876.92, 16,315.38 and 3,084.72 is: 4,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.92 : 16,315.38 = 3,084.72 : x
  2. Step 2: Convert to fraction form
    10,876.92/16,315.38 = 3,084.72/x
  3. Step 3: Cross multiply
    10,876.92x = 16,315.38 × 3,084.72
  4. Step 4: Simplify right side
    10,876.92x = 50,328,378.99
  5. Step 5: Solve for x
    x = 50,328,378.99/10,876.92
  6. Step 6: Final answer
    x = 4,627.08

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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.