Home / 10,910.17-15,055.63-6,668.31

Finding the Fourth Proportional to 10,910.17, 15,055.63 and 6,668.31

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Solution

The fourth proportional to 10,910.17, 15,055.63 and 6,668.31 is: 9,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.17 : 15,055.63 = 6,668.31 : x
  2. Step 2: Convert to fraction form
    10,910.17/15,055.63 = 6,668.31/x
  3. Step 3: Cross multiply
    10,910.17x = 15,055.63 × 6,668.31
  4. Step 4: Simplify right side
    10,910.17x = 100,395,608.09
  5. Step 5: Solve for x
    x = 100,395,608.09/10,910.17
  6. Step 6: Final answer
    x = 9,202.02

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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.