Home / 15,814.78-23,726.07-11,143.91

Finding the Fourth Proportional to 15,814.78, 23,726.07 and 11,143.91

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Solution

The fourth proportional to 15,814.78, 23,726.07 and 11,143.91 is: 16,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.78 : 23,726.07 = 11,143.91 : x
  2. Step 2: Convert to fraction form
    15,814.78/23,726.07 = 11,143.91/x
  3. Step 3: Cross multiply
    15,814.78x = 23,726.07 × 11,143.91
  4. Step 4: Simplify right side
    15,814.78x = 264,401,188.73
  5. Step 5: Solve for x
    x = 264,401,188.73/15,814.78
  6. Step 6: Final answer
    x = 16,718.61

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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.