Home / 9,189.67-13,784.97-2,616.32

Finding the Fourth Proportional to 9,189.67, 13,784.97 and 2,616.32

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Solution

The fourth proportional to 9,189.67, 13,784.97 and 2,616.32 is: 3,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.67 : 13,784.97 = 2,616.32 : x
  2. Step 2: Convert to fraction form
    9,189.67/13,784.97 = 2,616.32/x
  3. Step 3: Cross multiply
    9,189.67x = 13,784.97 × 2,616.32
  4. Step 4: Simplify right side
    9,189.67x = 36,065,892.71
  5. Step 5: Solve for x
    x = 36,065,892.71/9,189.67
  6. Step 6: Final answer
    x = 3,924.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.