Home / 18,097.10-27,138.45-6,404.30

Finding the Fourth Proportional to 18,097.10, 27,138.45 and 6,404.30

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Solution

The fourth proportional to 18,097.10, 27,138.45 and 6,404.30 is: 9,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.10 : 27,138.45 = 6,404.30 : x
  2. Step 2: Convert to fraction form
    18,097.10/27,138.45 = 6,404.30/x
  3. Step 3: Cross multiply
    18,097.10x = 27,138.45 × 6,404.30
  4. Step 4: Simplify right side
    18,097.10x = 173,802,775.34
  5. Step 5: Solve for x
    x = 173,802,775.34/18,097.10
  6. Step 6: Final answer
    x = 9,603.90

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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.