Home / 19,236.02-28,843.18-13,239.14

Finding the Fourth Proportional to 19,236.02, 28,843.18 and 13,239.14

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Solution

The fourth proportional to 19,236.02, 28,843.18 and 13,239.14 is: 19,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.02 : 28,843.18 = 13,239.14 : x
  2. Step 2: Convert to fraction form
    19,236.02/28,843.18 = 13,239.14/x
  3. Step 3: Cross multiply
    19,236.02x = 28,843.18 × 13,239.14
  4. Step 4: Simplify right side
    19,236.02x = 381,858,720.75
  5. Step 5: Solve for x
    x = 381,858,720.75/19,236.02
  6. Step 6: Final answer
    x = 19,851.24

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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.