Home / 13,876.92-20,800.80-10,582.65

Finding the Fourth Proportional to 13,876.92, 20,800.80 and 10,582.65

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Solution

The fourth proportional to 13,876.92, 20,800.80 and 10,582.65 is: 15,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.92 : 20,800.80 = 10,582.65 : x
  2. Step 2: Convert to fraction form
    13,876.92/20,800.80 = 10,582.65/x
  3. Step 3: Cross multiply
    13,876.92x = 20,800.80 × 10,582.65
  4. Step 4: Simplify right side
    13,876.92x = 220,127,586.12
  5. Step 5: Solve for x
    x = 220,127,586.12/13,876.92
  6. Step 6: Final answer
    x = 15,862.86

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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.