Home / 18,548.21-27,823.28-5,401.61

Finding the Fourth Proportional to 18,548.21, 27,823.28 and 5,401.61

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Solution

The fourth proportional to 18,548.21, 27,823.28 and 5,401.61 is: 8,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.21 : 27,823.28 = 5,401.61 : x
  2. Step 2: Convert to fraction form
    18,548.21/27,823.28 = 5,401.61/x
  3. Step 3: Cross multiply
    18,548.21x = 27,823.28 × 5,401.61
  4. Step 4: Simplify right side
    18,548.21x = 150,290,341.36
  5. Step 5: Solve for x
    x = 150,290,341.36/18,548.21
  6. Step 6: Final answer
    x = 8,102.69

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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.