Home / 20,210.07-30,296.35-10,327.56

Finding the Fourth Proportional to 20,210.07, 30,296.35 and 10,327.56

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Solution

The fourth proportional to 20,210.07, 30,296.35 and 10,327.56 is: 15,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.07 : 30,296.35 = 10,327.56 : x
  2. Step 2: Convert to fraction form
    20,210.07/30,296.35 = 10,327.56/x
  3. Step 3: Cross multiply
    20,210.07x = 30,296.35 × 10,327.56
  4. Step 4: Simplify right side
    20,210.07x = 312,887,372.41
  5. Step 5: Solve for x
    x = 312,887,372.41/20,210.07
  6. Step 6: Final answer
    x = 15,481.76

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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.