Home / 13,506.38-20,259.65-4,272.38

Finding the Fourth Proportional to 13,506.38, 20,259.65 and 4,272.38

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Solution

The fourth proportional to 13,506.38, 20,259.65 and 4,272.38 is: 6,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.38 : 20,259.65 = 4,272.38 : x
  2. Step 2: Convert to fraction form
    13,506.38/20,259.65 = 4,272.38/x
  3. Step 3: Cross multiply
    13,506.38x = 20,259.65 × 4,272.38
  4. Step 4: Simplify right side
    13,506.38x = 86,556,832.85
  5. Step 5: Solve for x
    x = 86,556,832.85/13,506.38
  6. Step 6: Final answer
    x = 6,408.59

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1.5x scale

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.