Home / 9,908.73-13,668.35-6,722.19

Finding the Fourth Proportional to 9,908.73, 13,668.35 and 6,722.19

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Solution

The fourth proportional to 9,908.73, 13,668.35 and 6,722.19 is: 9,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.73 : 13,668.35 = 6,722.19 : x
  2. Step 2: Convert to fraction form
    9,908.73/13,668.35 = 6,722.19/x
  3. Step 3: Cross multiply
    9,908.73x = 13,668.35 × 6,722.19
  4. Step 4: Simplify right side
    9,908.73x = 91,881,212.08
  5. Step 5: Solve for x
    x = 91,881,212.08/9,908.73
  6. Step 6: Final answer
    x = 9,272.75

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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.