Home / 18,650.40-27,975.84-5,502.96

Finding the Fourth Proportional to 18,650.40, 27,975.84 and 5,502.96

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Solution

The fourth proportional to 18,650.40, 27,975.84 and 5,502.96 is: 8,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.40 : 27,975.84 = 5,502.96 : x
  2. Step 2: Convert to fraction form
    18,650.40/27,975.84 = 5,502.96/x
  3. Step 3: Cross multiply
    18,650.40x = 27,975.84 × 5,502.96
  4. Step 4: Simplify right side
    18,650.40x = 153,949,928.49
  5. Step 5: Solve for x
    x = 153,949,928.49/18,650.40
  6. Step 6: Final answer
    x = 8,254.51

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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.