Home / 18,998.10-28,494.45-5,851.80

Finding the Fourth Proportional to 18,998.10, 28,494.45 and 5,851.80

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Solution

The fourth proportional to 18,998.10, 28,494.45 and 5,851.80 is: 8,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.10 : 28,494.45 = 5,851.80 : x
  2. Step 2: Convert to fraction form
    18,998.10/28,494.45 = 5,851.80/x
  3. Step 3: Cross multiply
    18,998.10x = 28,494.45 × 5,851.80
  4. Step 4: Simplify right side
    18,998.10x = 166,743,822.51
  5. Step 5: Solve for x
    x = 166,743,822.51/18,998.10
  6. Step 6: Final answer
    x = 8,776.87

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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.