Home / 13,819.66-20,741.51-7,250.47

Finding the Fourth Proportional to 13,819.66, 20,741.51 and 7,250.47

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Solution

The fourth proportional to 13,819.66, 20,741.51 and 7,250.47 is: 10,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.66 : 20,741.51 = 7,250.47 : x
  2. Step 2: Convert to fraction form
    13,819.66/20,741.51 = 7,250.47/x
  3. Step 3: Cross multiply
    13,819.66x = 20,741.51 × 7,250.47
  4. Step 4: Simplify right side
    13,819.66x = 150,385,696.01
  5. Step 5: Solve for x
    x = 150,385,696.01/13,819.66
  6. Step 6: Final answer
    x = 10,882.01

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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.