Home / 18,286.85-27,430.28-6,437.84

Finding the Fourth Proportional to 18,286.85, 27,430.28 and 6,437.84

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Solution

The fourth proportional to 18,286.85, 27,430.28 and 6,437.84 is: 9,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.85 : 27,430.28 = 6,437.84 : x
  2. Step 2: Convert to fraction form
    18,286.85/27,430.28 = 6,437.84/x
  3. Step 3: Cross multiply
    18,286.85x = 27,430.28 × 6,437.84
  4. Step 4: Simplify right side
    18,286.85x = 176,591,584.45
  5. Step 5: Solve for x
    x = 176,591,584.45/18,286.85
  6. Step 6: Final answer
    x = 9,656.76

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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.