Home / 10,406.22-15,611.62-3,386.96

Finding the Fourth Proportional to 10,406.22, 15,611.62 and 3,386.96

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Solution

The fourth proportional to 10,406.22, 15,611.62 and 3,386.96 is: 5,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.22 : 15,611.62 = 3,386.96 : x
  2. Step 2: Convert to fraction form
    10,406.22/15,611.62 = 3,386.96/x
  3. Step 3: Cross multiply
    10,406.22x = 15,611.62 × 3,386.96
  4. Step 4: Simplify right side
    10,406.22x = 52,875,932.48
  5. Step 5: Solve for x
    x = 52,875,932.48/10,406.22
  6. Step 6: Final answer
    x = 5,081.19

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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.