Home / 10,226.68-15,336.18-3,985.96

Finding the Fourth Proportional to 10,226.68, 15,336.18 and 3,985.96

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Solution

The fourth proportional to 10,226.68, 15,336.18 and 3,985.96 is: 5,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.68 : 15,336.18 = 3,985.96 : x
  2. Step 2: Convert to fraction form
    10,226.68/15,336.18 = 3,985.96/x
  3. Step 3: Cross multiply
    10,226.68x = 15,336.18 × 3,985.96
  4. Step 4: Simplify right side
    10,226.68x = 61,129,400.03
  5. Step 5: Solve for x
    x = 61,129,400.03/10,226.68
  6. Step 6: Final answer
    x = 5,977.44

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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.