Home / 10,107.18-15,164.21-6,166.33

Finding the Fourth Proportional to 10,107.18, 15,164.21 and 6,166.33

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Solution

The fourth proportional to 10,107.18, 15,164.21 and 6,166.33 is: 9,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.18 : 15,164.21 = 6,166.33 : x
  2. Step 2: Convert to fraction form
    10,107.18/15,164.21 = 6,166.33/x
  3. Step 3: Cross multiply
    10,107.18x = 15,164.21 × 6,166.33
  4. Step 4: Simplify right side
    10,107.18x = 93,507,500.55
  5. Step 5: Solve for x
    x = 93,507,500.55/10,107.18
  6. Step 6: Final answer
    x = 9,251.59

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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.