Home / 10,523.67-15,785.51-2,731.88

Finding the Fourth Proportional to 10,523.67, 15,785.51 and 2,731.88

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Solution

The fourth proportional to 10,523.67, 15,785.51 and 2,731.88 is: 4,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.67 : 15,785.51 = 2,731.88 : x
  2. Step 2: Convert to fraction form
    10,523.67/15,785.51 = 2,731.88/x
  3. Step 3: Cross multiply
    10,523.67x = 15,785.51 × 2,731.88
  4. Step 4: Simplify right side
    10,523.67x = 43,124,026.47
  5. Step 5: Solve for x
    x = 43,124,026.47/10,523.67
  6. Step 6: Final answer
    x = 4,097.81

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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.