Home / 19,131.46-26,401.20-11,174.86

Finding the Fourth Proportional to 19,131.46, 26,401.20 and 11,174.86

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Solution

The fourth proportional to 19,131.46, 26,401.20 and 11,174.86 is: 15,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.46 : 26,401.20 = 11,174.86 : x
  2. Step 2: Convert to fraction form
    19,131.46/26,401.20 = 11,174.86/x
  3. Step 3: Cross multiply
    19,131.46x = 26,401.20 × 11,174.86
  4. Step 4: Simplify right side
    19,131.46x = 295,029,713.83
  5. Step 5: Solve for x
    x = 295,029,713.83/19,131.46
  6. Step 6: Final answer
    x = 15,421.18

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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.