Home / 18,211.40-27,319.49-6,365.37

Finding the Fourth Proportional to 18,211.40, 27,319.49 and 6,365.37

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Solution

The fourth proportional to 18,211.40, 27,319.49 and 6,365.37 is: 9,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.40 : 27,319.49 = 6,365.37 : x
  2. Step 2: Convert to fraction form
    18,211.40/27,319.49 = 6,365.37/x
  3. Step 3: Cross multiply
    18,211.40x = 27,319.49 × 6,365.37
  4. Step 4: Simplify right side
    18,211.40x = 173,898,756.55
  5. Step 5: Solve for x
    x = 173,898,756.55/18,211.40
  6. Step 6: Final answer
    x = 9,548.90

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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.