Home / 18,766.24-28,141.44-5,620.48

Finding the Fourth Proportional to 18,766.24, 28,141.44 and 5,620.48

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Solution

The fourth proportional to 18,766.24, 28,141.44 and 5,620.48 is: 8,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.24 : 28,141.44 = 5,620.48 : x
  2. Step 2: Convert to fraction form
    18,766.24/28,141.44 = 5,620.48/x
  3. Step 3: Cross multiply
    18,766.24x = 28,141.44 × 5,620.48
  4. Step 4: Simplify right side
    18,766.24x = 158,168,400.69
  5. Step 5: Solve for x
    x = 158,168,400.69/18,766.24
  6. Step 6: Final answer
    x = 8,428.35

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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.