Home / 18,392.94-27,585.75-5,241.78

Finding the Fourth Proportional to 18,392.94, 27,585.75 and 5,241.78

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Solution

The fourth proportional to 18,392.94, 27,585.75 and 5,241.78 is: 7,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.94 : 27,585.75 = 5,241.78 : x
  2. Step 2: Convert to fraction form
    18,392.94/27,585.75 = 5,241.78/x
  3. Step 3: Cross multiply
    18,392.94x = 27,585.75 × 5,241.78
  4. Step 4: Simplify right side
    18,392.94x = 144,598,432.64
  5. Step 5: Solve for x
    x = 144,598,432.64/18,392.94
  6. Step 6: Final answer
    x = 7,861.63

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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.