Home / 10,558.20-15,837.30-2,767.80

Finding the Fourth Proportional to 10,558.20, 15,837.30 and 2,767.80

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Solution

The fourth proportional to 10,558.20, 15,837.30 and 2,767.80 is: 4,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.20 : 15,837.30 = 2,767.80 : x
  2. Step 2: Convert to fraction form
    10,558.20/15,837.30 = 2,767.80/x
  3. Step 3: Cross multiply
    10,558.20x = 15,837.30 × 2,767.80
  4. Step 4: Simplify right side
    10,558.20x = 43,834,478.94
  5. Step 5: Solve for x
    x = 43,834,478.94/10,558.20
  6. Step 6: Final answer
    x = 4,151.70

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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.