Home / 34,372.62-51,551.51-12,186.72

Finding the Fourth Proportional to 34,372.62, 51,551.51 and 12,186.72

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Solution

The fourth proportional to 34,372.62, 51,551.51 and 12,186.72 is: 18,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,372.62 : 51,551.51 = 12,186.72 : x
  2. Step 2: Convert to fraction form
    34,372.62/51,551.51 = 12,186.72/x
  3. Step 3: Cross multiply
    34,372.62x = 51,551.51 × 12,186.72
  4. Step 4: Simplify right side
    34,372.62x = 628,243,757.01
  5. Step 5: Solve for x
    x = 628,243,757.01/34,372.62
  6. Step 6: Final answer
    x = 18,277.45

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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.