Home / 11,427.21-17,113.17-7,907.37

Finding the Fourth Proportional to 11,427.21, 17,113.17 and 7,907.37

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Solution

The fourth proportional to 11,427.21, 17,113.17 and 7,907.37 is: 11,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.21 : 17,113.17 = 7,907.37 : x
  2. Step 2: Convert to fraction form
    11,427.21/17,113.17 = 7,907.37/x
  3. Step 3: Cross multiply
    11,427.21x = 17,113.17 × 7,907.37
  4. Step 4: Simplify right side
    11,427.21x = 135,320,167.06
  5. Step 5: Solve for x
    x = 135,320,167.06/11,427.21
  6. Step 6: Final answer
    x = 11,841.93

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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.