Home / 17,068.86-23,550.12-11,109.30

Finding the Fourth Proportional to 17,068.86, 23,550.12 and 11,109.30

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Solution

The fourth proportional to 17,068.86, 23,550.12 and 11,109.30 is: 15,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.86 : 23,550.12 = 11,109.30 : x
  2. Step 2: Convert to fraction form
    17,068.86/23,550.12 = 11,109.30/x
  3. Step 3: Cross multiply
    17,068.86x = 23,550.12 × 11,109.30
  4. Step 4: Simplify right side
    17,068.86x = 261,625,348.12
  5. Step 5: Solve for x
    x = 261,625,348.12/17,068.86
  6. Step 6: Final answer
    x = 15,327.64

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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.