Home / 11,055.35-15,251.88-6,805.13

Finding the Fourth Proportional to 11,055.35, 15,251.88 and 6,805.13

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Solution

The fourth proportional to 11,055.35, 15,251.88 and 6,805.13 is: 9,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.35 : 15,251.88 = 6,805.13 : x
  2. Step 2: Convert to fraction form
    11,055.35/15,251.88 = 6,805.13/x
  3. Step 3: Cross multiply
    11,055.35x = 15,251.88 × 6,805.13
  4. Step 4: Simplify right side
    11,055.35x = 103,791,022.92
  5. Step 5: Solve for x
    x = 103,791,022.92/11,055.35
  6. Step 6: Final answer
    x = 9,388.31

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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.