Home / 18,726.24-28,081.20-9,362.64

Finding the Fourth Proportional to 18,726.24, 28,081.20 and 9,362.64

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Solution

The fourth proportional to 18,726.24, 28,081.20 and 9,362.64 is: 14,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.24 : 28,081.20 = 9,362.64 : x
  2. Step 2: Convert to fraction form
    18,726.24/28,081.20 = 9,362.64/x
  3. Step 3: Cross multiply
    18,726.24x = 28,081.20 × 9,362.64
  4. Step 4: Simplify right side
    18,726.24x = 262,914,166.37
  5. Step 5: Solve for x
    x = 262,914,166.37/18,726.24
  6. Step 6: Final answer
    x = 14,039.88

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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.