Home / 10,910.19-15,055.64-6,668.35

Finding the Fourth Proportional to 10,910.19, 15,055.64 and 6,668.35

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Solution

The fourth proportional to 10,910.19, 15,055.64 and 6,668.35 is: 9,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.19 : 15,055.64 = 6,668.35 : x
  2. Step 2: Convert to fraction form
    10,910.19/15,055.64 = 6,668.35/x
  3. Step 3: Cross multiply
    10,910.19x = 15,055.64 × 6,668.35
  4. Step 4: Simplify right side
    10,910.19x = 100,396,231.02
  5. Step 5: Solve for x
    x = 100,396,231.02/10,910.19
  6. Step 6: Final answer
    x = 9,202.06

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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.