Home / 11,447.62-15,679.34-10,775.14

Finding the Fourth Proportional to 11,447.62, 15,679.34 and 10,775.14

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Solution

The fourth proportional to 11,447.62, 15,679.34 and 10,775.14 is: 14,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.62 : 15,679.34 = 10,775.14 : x
  2. Step 2: Convert to fraction form
    11,447.62/15,679.34 = 10,775.14/x
  3. Step 3: Cross multiply
    11,447.62x = 15,679.34 × 10,775.14
  4. Step 4: Simplify right side
    11,447.62x = 168,947,083.61
  5. Step 5: Solve for x
    x = 168,947,083.61/11,447.62
  6. Step 6: Final answer
    x = 14,758.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.