Home / 11,872.19-17,801.70-4,857.12

Finding the Fourth Proportional to 11,872.19, 17,801.70 and 4,857.12

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Solution

The fourth proportional to 11,872.19, 17,801.70 and 4,857.12 is: 7,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.19 : 17,801.70 = 4,857.12 : x
  2. Step 2: Convert to fraction form
    11,872.19/17,801.70 = 4,857.12/x
  3. Step 3: Cross multiply
    11,872.19x = 17,801.70 × 4,857.12
  4. Step 4: Simplify right side
    11,872.19x = 86,465,038.62
  5. Step 5: Solve for x
    x = 86,465,038.62/11,872.19
  6. Step 6: Final answer
    x = 7,282.99

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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.