Home / 10,164.10-15,245.68-4,238.54

Finding the Fourth Proportional to 10,164.10, 15,245.68 and 4,238.54

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Solution

The fourth proportional to 10,164.10, 15,245.68 and 4,238.54 is: 6,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.10 : 15,245.68 = 4,238.54 : x
  2. Step 2: Convert to fraction form
    10,164.10/15,245.68 = 4,238.54/x
  3. Step 3: Cross multiply
    10,164.10x = 15,245.68 × 4,238.54
  4. Step 4: Simplify right side
    10,164.10x = 64,619,424.51
  5. Step 5: Solve for x
    x = 64,619,424.51/10,164.10
  6. Step 6: Final answer
    x = 6,357.61

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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.