Home / 10,164.08-15,254.33-5,489.37

Finding the Fourth Proportional to 10,164.08, 15,254.33 and 5,489.37

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Solution

The fourth proportional to 10,164.08, 15,254.33 and 5,489.37 is: 8,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.08 : 15,254.33 = 5,489.37 : x
  2. Step 2: Convert to fraction form
    10,164.08/15,254.33 = 5,489.37/x
  3. Step 3: Cross multiply
    10,164.08x = 15,254.33 × 5,489.37
  4. Step 4: Simplify right side
    10,164.08x = 83,736,634.03
  5. Step 5: Solve for x
    x = 83,736,634.03/10,164.08
  6. Step 6: Final answer
    x = 8,238.48

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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.