Home / 11,419.02-17,129.12-3,628.44

Finding the Fourth Proportional to 11,419.02, 17,129.12 and 3,628.44

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Solution

The fourth proportional to 11,419.02, 17,129.12 and 3,628.44 is: 5,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.02 : 17,129.12 = 3,628.44 : x
  2. Step 2: Convert to fraction form
    11,419.02/17,129.12 = 3,628.44/x
  3. Step 3: Cross multiply
    11,419.02x = 17,129.12 × 3,628.44
  4. Step 4: Simplify right side
    11,419.02x = 62,151,966.03
  5. Step 5: Solve for x
    x = 62,151,966.03/11,419.02
  6. Step 6: Final answer
    x = 5,442.85

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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.