Home / 13,514.38-20,271.36-4,154.52

Finding the Fourth Proportional to 13,514.38, 20,271.36 and 4,154.52

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Solution

The fourth proportional to 13,514.38, 20,271.36 and 4,154.52 is: 6,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.38 : 20,271.36 = 4,154.52 : x
  2. Step 2: Convert to fraction form
    13,514.38/20,271.36 = 4,154.52/x
  3. Step 3: Cross multiply
    13,514.38x = 20,271.36 × 4,154.52
  4. Step 4: Simplify right side
    13,514.38x = 84,217,862.14
  5. Step 5: Solve for x
    x = 84,217,862.14/13,514.38
  6. Step 6: Final answer
    x = 6,231.72

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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.