Home / 18,816.54-28,227.56-5,669.93

Finding the Fourth Proportional to 18,816.54, 28,227.56 and 5,669.93

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Solution

The fourth proportional to 18,816.54, 28,227.56 and 5,669.93 is: 8,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.54 : 28,227.56 = 5,669.93 : x
  2. Step 2: Convert to fraction form
    18,816.54/28,227.56 = 5,669.93/x
  3. Step 3: Cross multiply
    18,816.54x = 28,227.56 × 5,669.93
  4. Step 4: Simplify right side
    18,816.54x = 160,048,331.49
  5. Step 5: Solve for x
    x = 160,048,331.49/18,816.54
  6. Step 6: Final answer
    x = 8,505.73

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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.