Home / 15,914.52-21,944.34-10,879.56

Finding the Fourth Proportional to 15,914.52, 21,944.34 and 10,879.56

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Solution

The fourth proportional to 15,914.52, 21,944.34 and 10,879.56 is: 15,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.52 : 21,944.34 = 10,879.56 : x
  2. Step 2: Convert to fraction form
    15,914.52/21,944.34 = 10,879.56/x
  3. Step 3: Cross multiply
    15,914.52x = 21,944.34 × 10,879.56
  4. Step 4: Simplify right side
    15,914.52x = 238,744,763.69
  5. Step 5: Solve for x
    x = 238,744,763.69/15,914.52
  6. Step 6: Final answer
    x = 15,001.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.