Home / 18,806.88-28,210.36-4,766.91

Finding the Fourth Proportional to 18,806.88, 28,210.36 and 4,766.91

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Solution

The fourth proportional to 18,806.88, 28,210.36 and 4,766.91 is: 7,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.88 : 28,210.36 = 4,766.91 : x
  2. Step 2: Convert to fraction form
    18,806.88/28,210.36 = 4,766.91/x
  3. Step 3: Cross multiply
    18,806.88x = 28,210.36 × 4,766.91
  4. Step 4: Simplify right side
    18,806.88x = 134,476,138.42
  5. Step 5: Solve for x
    x = 134,476,138.42/18,806.88
  6. Step 6: Final answer
    x = 7,150.37

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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.