Home / 9,180.36-13,646.77-8,910.97

Finding the Fourth Proportional to 9,180.36, 13,646.77 and 8,910.97

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Solution

The fourth proportional to 9,180.36, 13,646.77 and 8,910.97 is: 13,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.36 : 13,646.77 = 8,910.97 : x
  2. Step 2: Convert to fraction form
    9,180.36/13,646.77 = 8,910.97/x
  3. Step 3: Cross multiply
    9,180.36x = 13,646.77 × 8,910.97
  4. Step 4: Simplify right side
    9,180.36x = 121,605,901.67
  5. Step 5: Solve for x
    x = 121,605,901.67/9,180.36
  6. Step 6: Final answer
    x = 13,246.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.