Home / 10,269.21-15,403.77-2,478

Finding the Fourth Proportional to 10,269.21, 15,403.77 and 2,478

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Solution

The fourth proportional to 10,269.21, 15,403.77 and 2,478 is: 3,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.21 : 15,403.77 = 2,478 : x
  2. Step 2: Convert to fraction form
    10,269.21/15,403.77 = 2,478/x
  3. Step 3: Cross multiply
    10,269.21x = 15,403.77 × 2,478
  4. Step 4: Simplify right side
    10,269.21x = 38,170,542.06
  5. Step 5: Solve for x
    x = 38,170,542.06/10,269.21
  6. Step 6: Final answer
    x = 3,716.99

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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.