Home / 18,873.32-28,288.62-9,498.44

Finding the Fourth Proportional to 18,873.32, 28,288.62 and 9,498.44

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Solution

The fourth proportional to 18,873.32, 28,288.62 and 9,498.44 is: 14,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.32 : 28,288.62 = 9,498.44 : x
  2. Step 2: Convert to fraction form
    18,873.32/28,288.62 = 9,498.44/x
  3. Step 3: Cross multiply
    18,873.32x = 28,288.62 × 9,498.44
  4. Step 4: Simplify right side
    18,873.32x = 268,697,759.75
  5. Step 5: Solve for x
    x = 268,697,759.75/18,873.32
  6. Step 6: Final answer
    x = 14,236.91

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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.