Home / 18,743.82-28,115.74-5,595.78

Finding the Fourth Proportional to 18,743.82, 28,115.74 and 5,595.78

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Solution

The fourth proportional to 18,743.82, 28,115.74 and 5,595.78 is: 8,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.82 : 28,115.74 = 5,595.78 : x
  2. Step 2: Convert to fraction form
    18,743.82/28,115.74 = 5,595.78/x
  3. Step 3: Cross multiply
    18,743.82x = 28,115.74 × 5,595.78
  4. Step 4: Simplify right side
    18,743.82x = 157,329,495.58
  5. Step 5: Solve for x
    x = 157,329,495.58/18,743.82
  6. Step 6: Final answer
    x = 8,393.67

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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.