Home / 14,774.42-20,388.17-8,401.27

Finding the Fourth Proportional to 14,774.42, 20,388.17 and 8,401.27

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Solution

The fourth proportional to 14,774.42, 20,388.17 and 8,401.27 is: 11,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.42 : 20,388.17 = 8,401.27 : x
  2. Step 2: Convert to fraction form
    14,774.42/20,388.17 = 8,401.27/x
  3. Step 3: Cross multiply
    14,774.42x = 20,388.17 × 8,401.27
  4. Step 4: Simplify right side
    14,774.42x = 171,286,520.98
  5. Step 5: Solve for x
    x = 171,286,520.98/14,774.42
  6. Step 6: Final answer
    x = 11,593.45

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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.