Home / 11,685.28-17,530.98-3,894.16

Finding the Fourth Proportional to 11,685.28, 17,530.98 and 3,894.16

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Solution

The fourth proportional to 11,685.28, 17,530.98 and 3,894.16 is: 5,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.28 : 17,530.98 = 3,894.16 : x
  2. Step 2: Convert to fraction form
    11,685.28/17,530.98 = 3,894.16/x
  3. Step 3: Cross multiply
    11,685.28x = 17,530.98 × 3,894.16
  4. Step 4: Simplify right side
    11,685.28x = 68,268,441.08
  5. Step 5: Solve for x
    x = 68,268,441.08/11,685.28
  6. Step 6: Final answer
    x = 5,842.26

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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.