Home / 10,808.16-16,216.29-3,788.70

Finding the Fourth Proportional to 10,808.16, 16,216.29 and 3,788.70

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Solution

The fourth proportional to 10,808.16, 16,216.29 and 3,788.70 is: 5,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.16 : 16,216.29 = 3,788.70 : x
  2. Step 2: Convert to fraction form
    10,808.16/16,216.29 = 3,788.70/x
  3. Step 3: Cross multiply
    10,808.16x = 16,216.29 × 3,788.70
  4. Step 4: Simplify right side
    10,808.16x = 61,438,657.92
  5. Step 5: Solve for x
    x = 61,438,657.92/10,808.16
  6. Step 6: Final answer
    x = 5,684.47

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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.