Home / 10,080.47-15,121.56-2,684.93

Finding the Fourth Proportional to 10,080.47, 15,121.56 and 2,684.93

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Solution

The fourth proportional to 10,080.47, 15,121.56 and 2,684.93 is: 4,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.47 : 15,121.56 = 2,684.93 : x
  2. Step 2: Convert to fraction form
    10,080.47/15,121.56 = 2,684.93/x
  3. Step 3: Cross multiply
    10,080.47x = 15,121.56 × 2,684.93
  4. Step 4: Simplify right side
    10,080.47x = 40,600,330.09
  5. Step 5: Solve for x
    x = 40,600,330.09/10,080.47
  6. Step 6: Final answer
    x = 4,027.62

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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.