Home / 18,291.18-27,408.15-14,141.42

Finding the Fourth Proportional to 18,291.18, 27,408.15 and 14,141.42

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Solution

The fourth proportional to 18,291.18, 27,408.15 and 14,141.42 is: 21,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.18 : 27,408.15 = 14,141.42 : x
  2. Step 2: Convert to fraction form
    18,291.18/27,408.15 = 14,141.42/x
  3. Step 3: Cross multiply
    18,291.18x = 27,408.15 × 14,141.42
  4. Step 4: Simplify right side
    18,291.18x = 387,590,023.53
  5. Step 5: Solve for x
    x = 387,590,023.53/18,291.18
  6. Step 6: Final answer
    x = 21,190.00

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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.