Home / 12,836.42-19,255.16-4,071.14

Finding the Fourth Proportional to 12,836.42, 19,255.16 and 4,071.14

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Solution

The fourth proportional to 12,836.42, 19,255.16 and 4,071.14 is: 6,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.42 : 19,255.16 = 4,071.14 : x
  2. Step 2: Convert to fraction form
    12,836.42/19,255.16 = 4,071.14/x
  3. Step 3: Cross multiply
    12,836.42x = 19,255.16 × 4,071.14
  4. Step 4: Simplify right side
    12,836.42x = 78,390,452.08
  5. Step 5: Solve for x
    x = 78,390,452.08/12,836.42
  6. Step 6: Final answer
    x = 6,106.88

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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.