Home / 18,707.38-28,059.39-6,223.36

Finding the Fourth Proportional to 18,707.38, 28,059.39 and 6,223.36

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Solution

The fourth proportional to 18,707.38, 28,059.39 and 6,223.36 is: 9,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.38 : 28,059.39 = 6,223.36 : x
  2. Step 2: Convert to fraction form
    18,707.38/28,059.39 = 6,223.36/x
  3. Step 3: Cross multiply
    18,707.38x = 28,059.39 × 6,223.36
  4. Step 4: Simplify right side
    18,707.38x = 174,623,685.35
  5. Step 5: Solve for x
    x = 174,623,685.35/18,707.38
  6. Step 6: Final answer
    x = 9,334.48

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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.