Home / 11,558.68-15,943.62-7,580.04

Finding the Fourth Proportional to 11,558.68, 15,943.62 and 7,580.04

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Solution

The fourth proportional to 11,558.68, 15,943.62 and 7,580.04 is: 10,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.68 : 15,943.62 = 7,580.04 : x
  2. Step 2: Convert to fraction form
    11,558.68/15,943.62 = 7,580.04/x
  3. Step 3: Cross multiply
    11,558.68x = 15,943.62 × 7,580.04
  4. Step 4: Simplify right side
    11,558.68x = 120,853,277.34
  5. Step 5: Solve for x
    x = 120,853,277.34/11,558.68
  6. Step 6: Final answer
    x = 10,455.63

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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.