Home / 11,019.36-15,206.62-5,983.48

Finding the Fourth Proportional to 11,019.36, 15,206.62 and 5,983.48

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Solution

The fourth proportional to 11,019.36, 15,206.62 and 5,983.48 is: 8,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.36 : 15,206.62 = 5,983.48 : x
  2. Step 2: Convert to fraction form
    11,019.36/15,206.62 = 5,983.48/x
  3. Step 3: Cross multiply
    11,019.36x = 15,206.62 × 5,983.48
  4. Step 4: Simplify right side
    11,019.36x = 90,988,506.64
  5. Step 5: Solve for x
    x = 90,988,506.64/11,019.36
  6. Step 6: Final answer
    x = 8,257.15

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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.