Home / 10,270.36-14,169.79-8,110.05

Finding the Fourth Proportional to 10,270.36, 14,169.79 and 8,110.05

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Solution

The fourth proportional to 10,270.36, 14,169.79 and 8,110.05 is: 11,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.36 : 14,169.79 = 8,110.05 : x
  2. Step 2: Convert to fraction form
    10,270.36/14,169.79 = 8,110.05/x
  3. Step 3: Cross multiply
    10,270.36x = 14,169.79 × 8,110.05
  4. Step 4: Simplify right side
    10,270.36x = 114,917,656.62
  5. Step 5: Solve for x
    x = 114,917,656.62/10,270.36
  6. Step 6: Final answer
    x = 11,189.25

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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.