Home / 19,120.00-28,618.58-10,213.06

Finding the Fourth Proportional to 19,120.00, 28,618.58 and 10,213.06

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Solution

The fourth proportional to 19,120.00, 28,618.58 and 10,213.06 is: 15,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.00 : 28,618.58 = 10,213.06 : x
  2. Step 2: Convert to fraction form
    19,120.00/28,618.58 = 10,213.06/x
  3. Step 3: Cross multiply
    19,120.00x = 28,618.58 × 10,213.06
  4. Step 4: Simplify right side
    19,120.00x = 292,283,156.36
  5. Step 5: Solve for x
    x = 292,283,156.36/19,120.00
  6. Step 6: Final answer
    x = 15,286.78

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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.