Home / 18,708.87-28,057.15-6,225.46

Finding the Fourth Proportional to 18,708.87, 28,057.15 and 6,225.46

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Solution

The fourth proportional to 18,708.87, 28,057.15 and 6,225.46 is: 9,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.87 : 28,057.15 = 6,225.46 : x
  2. Step 2: Convert to fraction form
    18,708.87/28,057.15 = 6,225.46/x
  3. Step 3: Cross multiply
    18,708.87x = 28,057.15 × 6,225.46
  4. Step 4: Simplify right side
    18,708.87x = 174,668,665.04
  5. Step 5: Solve for x
    x = 174,668,665.04/18,708.87
  6. Step 6: Final answer
    x = 9,336.14

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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.