Home / 18,401.24-27,575.10-13,939.76

Finding the Fourth Proportional to 18,401.24, 27,575.10 and 13,939.76

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Solution

The fourth proportional to 18,401.24, 27,575.10 and 13,939.76 is: 20,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.24 : 27,575.10 = 13,939.76 : x
  2. Step 2: Convert to fraction form
    18,401.24/27,575.10 = 13,939.76/x
  3. Step 3: Cross multiply
    18,401.24x = 27,575.10 × 13,939.76
  4. Step 4: Simplify right side
    18,401.24x = 384,390,275.98
  5. Step 5: Solve for x
    x = 384,390,275.98/18,401.24
  6. Step 6: Final answer
    x = 20,889.37

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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.