Home / 10,191.94-15,289.43-3,617.58

Finding the Fourth Proportional to 10,191.94, 15,289.43 and 3,617.58

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Solution

The fourth proportional to 10,191.94, 15,289.43 and 3,617.58 is: 5,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.94 : 15,289.43 = 3,617.58 : x
  2. Step 2: Convert to fraction form
    10,191.94/15,289.43 = 3,617.58/x
  3. Step 3: Cross multiply
    10,191.94x = 15,289.43 × 3,617.58
  4. Step 4: Simplify right side
    10,191.94x = 55,310,736.18
  5. Step 5: Solve for x
    x = 55,310,736.18/10,191.94
  6. Step 6: Final answer
    x = 5,426.91

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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.