Home / 20,616.99-30,900.15-9,508.26

Finding the Fourth Proportional to 20,616.99, 30,900.15 and 9,508.26

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Solution

The fourth proportional to 20,616.99, 30,900.15 and 9,508.26 is: 14,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.99 : 30,900.15 = 9,508.26 : x
  2. Step 2: Convert to fraction form
    20,616.99/30,900.15 = 9,508.26/x
  3. Step 3: Cross multiply
    20,616.99x = 30,900.15 × 9,508.26
  4. Step 4: Simplify right side
    20,616.99x = 293,806,660.24
  5. Step 5: Solve for x
    x = 293,806,660.24/20,616.99
  6. Step 6: Final answer
    x = 14,250.71

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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.