Home / 10,272.09-15,408.14-2,480.91

Finding the Fourth Proportional to 10,272.09, 15,408.14 and 2,480.91

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Solution

The fourth proportional to 10,272.09, 15,408.14 and 2,480.91 is: 3,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.09 : 15,408.14 = 2,480.91 : x
  2. Step 2: Convert to fraction form
    10,272.09/15,408.14 = 2,480.91/x
  3. Step 3: Cross multiply
    10,272.09x = 15,408.14 × 2,480.91
  4. Step 4: Simplify right side
    10,272.09x = 38,226,157.03
  5. Step 5: Solve for x
    x = 38,226,157.03/10,272.09
  6. Step 6: Final answer
    x = 3,721.36

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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.