Home / 9,911.39-13,675.65-6,727.15

Finding the Fourth Proportional to 9,911.39, 13,675.65 and 6,727.15

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Solution

The fourth proportional to 9,911.39, 13,675.65 and 6,727.15 is: 9,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.39 : 13,675.65 = 6,727.15 : x
  2. Step 2: Convert to fraction form
    9,911.39/13,675.65 = 6,727.15/x
  3. Step 3: Cross multiply
    9,911.39x = 13,675.65 × 6,727.15
  4. Step 4: Simplify right side
    9,911.39x = 91,998,080.52
  5. Step 5: Solve for x
    x = 91,998,080.52/9,911.39
  6. Step 6: Final answer
    x = 9,282.06

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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.