Home / 12,868.52-19,298.66-4,101.38

Finding the Fourth Proportional to 12,868.52, 19,298.66 and 4,101.38

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Solution

The fourth proportional to 12,868.52, 19,298.66 and 4,101.38 is: 6,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.52 : 19,298.66 = 4,101.38 : x
  2. Step 2: Convert to fraction form
    12,868.52/19,298.66 = 4,101.38/x
  3. Step 3: Cross multiply
    12,868.52x = 19,298.66 × 4,101.38
  4. Step 4: Simplify right side
    12,868.52x = 79,151,051.91
  5. Step 5: Solve for x
    x = 79,151,051.91/12,868.52
  6. Step 6: Final answer
    x = 6,150.75

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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.