Home / 18,801.38-28,199.70-6,150.08

Finding the Fourth Proportional to 18,801.38, 28,199.70 and 6,150.08

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Solution

The fourth proportional to 18,801.38, 28,199.70 and 6,150.08 is: 9,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.38 : 28,199.70 = 6,150.08 : x
  2. Step 2: Convert to fraction form
    18,801.38/28,199.70 = 6,150.08/x
  3. Step 3: Cross multiply
    18,801.38x = 28,199.70 × 6,150.08
  4. Step 4: Simplify right side
    18,801.38x = 173,430,269.98
  5. Step 5: Solve for x
    x = 173,430,269.98/18,801.38
  6. Step 6: Final answer
    x = 9,224.34

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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.