Home / 18,854.87-28,283.68-6,370.75

Finding the Fourth Proportional to 18,854.87, 28,283.68 and 6,370.75

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Solution

The fourth proportional to 18,854.87, 28,283.68 and 6,370.75 is: 9,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.87 : 28,283.68 = 6,370.75 : x
  2. Step 2: Convert to fraction form
    18,854.87/28,283.68 = 6,370.75/x
  3. Step 3: Cross multiply
    18,854.87x = 28,283.68 × 6,370.75
  4. Step 4: Simplify right side
    18,854.87x = 180,188,254.36
  5. Step 5: Solve for x
    x = 180,188,254.36/18,854.87
  6. Step 6: Final answer
    x = 9,556.59

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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.