Home / 18,237.35-27,339.80-7,151.96

Finding the Fourth Proportional to 18,237.35, 27,339.80 and 7,151.96

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Solution

The fourth proportional to 18,237.35, 27,339.80 and 7,151.96 is: 10,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.35 : 27,339.80 = 7,151.96 : x
  2. Step 2: Convert to fraction form
    18,237.35/27,339.80 = 7,151.96/x
  3. Step 3: Cross multiply
    18,237.35x = 27,339.80 × 7,151.96
  4. Step 4: Simplify right side
    18,237.35x = 195,533,188.60
  5. Step 5: Solve for x
    x = 195,533,188.60/18,237.35
  6. Step 6: Final answer
    x = 10,721.58

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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.