Home / 18,850.17-28,271.61-5,699.46

Finding the Fourth Proportional to 18,850.17, 28,271.61 and 5,699.46

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Solution

The fourth proportional to 18,850.17, 28,271.61 and 5,699.46 is: 8,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.17 : 28,271.61 = 5,699.46 : x
  2. Step 2: Convert to fraction form
    18,850.17/28,271.61 = 5,699.46/x
  3. Step 3: Cross multiply
    18,850.17x = 28,271.61 × 5,699.46
  4. Step 4: Simplify right side
    18,850.17x = 161,132,910.33
  5. Step 5: Solve for x
    x = 161,132,910.33/18,850.17
  6. Step 6: Final answer
    x = 8,548.09

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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.