Home / 18,983.66-28,478.21-5,837.13

Finding the Fourth Proportional to 18,983.66, 28,478.21 and 5,837.13

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Solution

The fourth proportional to 18,983.66, 28,478.21 and 5,837.13 is: 8,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.66 : 28,478.21 = 5,837.13 : x
  2. Step 2: Convert to fraction form
    18,983.66/28,478.21 = 5,837.13/x
  3. Step 3: Cross multiply
    18,983.66x = 28,478.21 × 5,837.13
  4. Step 4: Simplify right side
    18,983.66x = 166,231,013.94
  5. Step 5: Solve for x
    x = 166,231,013.94/18,983.66
  6. Step 6: Final answer
    x = 8,756.53

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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.