Home / 18,152.56-27,232.49-8,289.19

Finding the Fourth Proportional to 18,152.56, 27,232.49 and 8,289.19

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Solution

The fourth proportional to 18,152.56, 27,232.49 and 8,289.19 is: 12,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.56 : 27,232.49 = 8,289.19 : x
  2. Step 2: Convert to fraction form
    18,152.56/27,232.49 = 8,289.19/x
  3. Step 3: Cross multiply
    18,152.56x = 27,232.49 × 8,289.19
  4. Step 4: Simplify right side
    18,152.56x = 225,735,283.78
  5. Step 5: Solve for x
    x = 225,735,283.78/18,152.56
  6. Step 6: Final answer
    x = 12,435.45

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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.