Home / 18,853.58-28,268.75-6,372.42

Finding the Fourth Proportional to 18,853.58, 28,268.75 and 6,372.42

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Solution

The fourth proportional to 18,853.58, 28,268.75 and 6,372.42 is: 9,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.58 : 28,268.75 = 6,372.42 : x
  2. Step 2: Convert to fraction form
    18,853.58/28,268.75 = 6,372.42/x
  3. Step 3: Cross multiply
    18,853.58x = 28,268.75 × 6,372.42
  4. Step 4: Simplify right side
    18,853.58x = 180,140,316.01
  5. Step 5: Solve for x
    x = 180,140,316.01/18,853.58
  6. Step 6: Final answer
    x = 9,554.70

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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.