Home / 18,785.06-25,924.20-10,401.56

Finding the Fourth Proportional to 18,785.06, 25,924.20 and 10,401.56

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Solution

The fourth proportional to 18,785.06, 25,924.20 and 10,401.56 is: 14,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.06 : 25,924.20 = 10,401.56 : x
  2. Step 2: Convert to fraction form
    18,785.06/25,924.20 = 10,401.56/x
  3. Step 3: Cross multiply
    18,785.06x = 25,924.20 × 10,401.56
  4. Step 4: Simplify right side
    18,785.06x = 269,652,186.56
  5. Step 5: Solve for x
    x = 269,652,186.56/18,785.06
  6. Step 6: Final answer
    x = 14,354.61

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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.