Home / 18,839.76-28,239.92-6,355.48

Finding the Fourth Proportional to 18,839.76, 28,239.92 and 6,355.48

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Solution

The fourth proportional to 18,839.76, 28,239.92 and 6,355.48 is: 9,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.76 : 28,239.92 = 6,355.48 : x
  2. Step 2: Convert to fraction form
    18,839.76/28,239.92 = 6,355.48/x
  3. Step 3: Cross multiply
    18,839.76x = 28,239.92 × 6,355.48
  4. Step 4: Simplify right side
    18,839.76x = 179,478,246.76
  5. Step 5: Solve for x
    x = 179,478,246.76/18,839.76
  6. Step 6: Final answer
    x = 9,526.57

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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.