Home / 11,140.77-15,376.43-7,364.13

Finding the Fourth Proportional to 11,140.77, 15,376.43 and 7,364.13

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Solution

The fourth proportional to 11,140.77, 15,376.43 and 7,364.13 is: 10,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.77 : 15,376.43 = 7,364.13 : x
  2. Step 2: Convert to fraction form
    11,140.77/15,376.43 = 7,364.13/x
  3. Step 3: Cross multiply
    11,140.77x = 15,376.43 × 7,364.13
  4. Step 4: Simplify right side
    11,140.77x = 113,233,992.64
  5. Step 5: Solve for x
    x = 113,233,992.64/11,140.77
  6. Step 6: Final answer
    x = 10,163.93

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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.