Home / 18,905.61-28,350.21-5,754.96

Finding the Fourth Proportional to 18,905.61, 28,350.21 and 5,754.96

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Solution

The fourth proportional to 18,905.61, 28,350.21 and 5,754.96 is: 8,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.61 : 28,350.21 = 5,754.96 : x
  2. Step 2: Convert to fraction form
    18,905.61/28,350.21 = 5,754.96/x
  3. Step 3: Cross multiply
    18,905.61x = 28,350.21 × 5,754.96
  4. Step 4: Simplify right side
    18,905.61x = 163,154,324.54
  5. Step 5: Solve for x
    x = 163,154,324.54/18,905.61
  6. Step 6: Final answer
    x = 8,629.94

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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.