Home / 20,094.21-30,159.99-10,240.88

Finding the Fourth Proportional to 20,094.21, 30,159.99 and 10,240.88

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Solution

The fourth proportional to 20,094.21, 30,159.99 and 10,240.88 is: 15,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.21 : 30,159.99 = 10,240.88 : x
  2. Step 2: Convert to fraction form
    20,094.21/30,159.99 = 10,240.88/x
  3. Step 3: Cross multiply
    20,094.21x = 30,159.99 × 10,240.88
  4. Step 4: Simplify right side
    20,094.21x = 308,864,687.59
  5. Step 5: Solve for x
    x = 308,864,687.59/20,094.21
  6. Step 6: Final answer
    x = 15,370.83

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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.