Home / 18,137.07-27,200.12-6,449.67

Finding the Fourth Proportional to 18,137.07, 27,200.12 and 6,449.67

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Solution

The fourth proportional to 18,137.07, 27,200.12 and 6,449.67 is: 9,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.07 : 27,200.12 = 6,449.67 : x
  2. Step 2: Convert to fraction form
    18,137.07/27,200.12 = 6,449.67/x
  3. Step 3: Cross multiply
    18,137.07x = 27,200.12 × 6,449.67
  4. Step 4: Simplify right side
    18,137.07x = 175,431,765.71
  5. Step 5: Solve for x
    x = 175,431,765.71/18,137.07
  6. Step 6: Final answer
    x = 9,672.55

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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.