Home / 17,989.36-26,985.35-6,138.38

Finding the Fourth Proportional to 17,989.36, 26,985.35 and 6,138.38

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Solution

The fourth proportional to 17,989.36, 26,985.35 and 6,138.38 is: 9,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.36 : 26,985.35 = 6,138.38 : x
  2. Step 2: Convert to fraction form
    17,989.36/26,985.35 = 6,138.38/x
  3. Step 3: Cross multiply
    17,989.36x = 26,985.35 × 6,138.38
  4. Step 4: Simplify right side
    17,989.36x = 165,646,415.54
  5. Step 5: Solve for x
    x = 165,646,415.54/17,989.36
  6. Step 6: Final answer
    x = 9,208.02

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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.