Home / 18,823.38-28,235.19-5,675.70

Finding the Fourth Proportional to 18,823.38, 28,235.19 and 5,675.70

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Solution

The fourth proportional to 18,823.38, 28,235.19 and 5,675.70 is: 8,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.38 : 28,235.19 = 5,675.70 : x
  2. Step 2: Convert to fraction form
    18,823.38/28,235.19 = 5,675.70/x
  3. Step 3: Cross multiply
    18,823.38x = 28,235.19 × 5,675.70
  4. Step 4: Simplify right side
    18,823.38x = 160,254,467.88
  5. Step 5: Solve for x
    x = 160,254,467.88/18,823.38
  6. Step 6: Final answer
    x = 8,513.59

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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.