Home / 18,853.58-28,277.16-9,497.78

Finding the Fourth Proportional to 18,853.58, 28,277.16 and 9,497.78

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Solution

The fourth proportional to 18,853.58, 28,277.16 and 9,497.78 is: 14,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.58 : 28,277.16 = 9,497.78 : x
  2. Step 2: Convert to fraction form
    18,853.58/28,277.16 = 9,497.78/x
  3. Step 3: Cross multiply
    18,853.58x = 28,277.16 × 9,497.78
  4. Step 4: Simplify right side
    18,853.58x = 268,570,244.70
  5. Step 5: Solve for x
    x = 268,570,244.70/18,853.58
  6. Step 6: Final answer
    x = 14,245.05

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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.