Home / 10,114.58-15,172.14-2,719.82

Finding the Fourth Proportional to 10,114.58, 15,172.14 and 2,719.82

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Solution

The fourth proportional to 10,114.58, 15,172.14 and 2,719.82 is: 4,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.58 : 15,172.14 = 2,719.82 : x
  2. Step 2: Convert to fraction form
    10,114.58/15,172.14 = 2,719.82/x
  3. Step 3: Cross multiply
    10,114.58x = 15,172.14 × 2,719.82
  4. Step 4: Simplify right side
    10,114.58x = 41,265,489.81
  5. Step 5: Solve for x
    x = 41,265,489.81/10,114.58
  6. Step 6: Final answer
    x = 4,079.80

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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.