Home / 9,916.62-13,679.73-5,936.55

Finding the Fourth Proportional to 9,916.62, 13,679.73 and 5,936.55

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Solution

The fourth proportional to 9,916.62, 13,679.73 and 5,936.55 is: 8,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.62 : 13,679.73 = 5,936.55 : x
  2. Step 2: Convert to fraction form
    9,916.62/13,679.73 = 5,936.55/x
  3. Step 3: Cross multiply
    9,916.62x = 13,679.73 × 5,936.55
  4. Step 4: Simplify right side
    9,916.62x = 81,210,401.13
  5. Step 5: Solve for x
    x = 81,210,401.13/9,916.62
  6. Step 6: Final answer
    x = 8,189.32

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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.