Home / 18,603.35-27,897.60-6,119.90

Finding the Fourth Proportional to 18,603.35, 27,897.60 and 6,119.90

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Solution

The fourth proportional to 18,603.35, 27,897.60 and 6,119.90 is: 9,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.35 : 27,897.60 = 6,119.90 : x
  2. Step 2: Convert to fraction form
    18,603.35/27,897.60 = 6,119.90/x
  3. Step 3: Cross multiply
    18,603.35x = 27,897.60 × 6,119.90
  4. Step 4: Simplify right side
    18,603.35x = 170,730,522.24
  5. Step 5: Solve for x
    x = 170,730,522.24/18,603.35
  6. Step 6: Final answer
    x = 9,177.41

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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.