Home / 14,786.99-20,401.16-9,753.71

Finding the Fourth Proportional to 14,786.99, 20,401.16 and 9,753.71

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Solution

The fourth proportional to 14,786.99, 20,401.16 and 9,753.71 is: 13,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.99 : 20,401.16 = 9,753.71 : x
  2. Step 2: Convert to fraction form
    14,786.99/20,401.16 = 9,753.71/x
  3. Step 3: Cross multiply
    14,786.99x = 20,401.16 × 9,753.71
  4. Step 4: Simplify right side
    14,786.99x = 198,987,000.54
  5. Step 5: Solve for x
    x = 198,987,000.54/14,786.99
  6. Step 6: Final answer
    x = 13,456.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.