Home / 15,814.80-23,726.09-11,143.92

Finding the Fourth Proportional to 15,814.80, 23,726.09 and 11,143.92

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Solution

The fourth proportional to 15,814.80, 23,726.09 and 11,143.92 is: 16,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.80 : 23,726.09 = 11,143.92 : x
  2. Step 2: Convert to fraction form
    15,814.80/23,726.09 = 11,143.92/x
  3. Step 3: Cross multiply
    15,814.80x = 23,726.09 × 11,143.92
  4. Step 4: Simplify right side
    15,814.80x = 264,401,593.15
  5. Step 5: Solve for x
    x = 264,401,593.15/15,814.80
  6. Step 6: Final answer
    x = 16,718.62

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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.