Home / 10,646.26-15,976.72-3,720.76

Finding the Fourth Proportional to 10,646.26, 15,976.72 and 3,720.76

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Solution

The fourth proportional to 10,646.26, 15,976.72 and 3,720.76 is: 5,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.26 : 15,976.72 = 3,720.76 : x
  2. Step 2: Convert to fraction form
    10,646.26/15,976.72 = 3,720.76/x
  3. Step 3: Cross multiply
    10,646.26x = 15,976.72 × 3,720.76
  4. Step 4: Simplify right side
    10,646.26x = 59,445,540.71
  5. Step 5: Solve for x
    x = 59,445,540.71/10,646.26
  6. Step 6: Final answer
    x = 5,583.70

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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.