Home / 11,135.01-15,352.16-7,952.12

Finding the Fourth Proportional to 11,135.01, 15,352.16 and 7,952.12

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Solution

The fourth proportional to 11,135.01, 15,352.16 and 7,952.12 is: 10,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.01 : 15,352.16 = 7,952.12 : x
  2. Step 2: Convert to fraction form
    11,135.01/15,352.16 = 7,952.12/x
  3. Step 3: Cross multiply
    11,135.01x = 15,352.16 × 7,952.12
  4. Step 4: Simplify right side
    11,135.01x = 122,082,102.06
  5. Step 5: Solve for x
    x = 122,082,102.06/11,135.01
  6. Step 6: Final answer
    x = 10,963.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.