Home / 10,201.35-15,302.76-4,272.28

Finding the Fourth Proportional to 10,201.35, 15,302.76 and 4,272.28

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Solution

The fourth proportional to 10,201.35, 15,302.76 and 4,272.28 is: 6,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.35 : 15,302.76 = 4,272.28 : x
  2. Step 2: Convert to fraction form
    10,201.35/15,302.76 = 4,272.28/x
  3. Step 3: Cross multiply
    10,201.35x = 15,302.76 × 4,272.28
  4. Step 4: Simplify right side
    10,201.35x = 65,377,675.49
  5. Step 5: Solve for x
    x = 65,377,675.49/10,201.35
  6. Step 6: Final answer
    x = 6,408.73

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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.