Home / 18,278.01-27,416.43-7,745.22

Finding the Fourth Proportional to 18,278.01, 27,416.43 and 7,745.22

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Solution

The fourth proportional to 18,278.01, 27,416.43 and 7,745.22 is: 11,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.01 : 27,416.43 = 7,745.22 : x
  2. Step 2: Convert to fraction form
    18,278.01/27,416.43 = 7,745.22/x
  3. Step 3: Cross multiply
    18,278.01x = 27,416.43 × 7,745.22
  4. Step 4: Simplify right side
    18,278.01x = 212,346,281.96
  5. Step 5: Solve for x
    x = 212,346,281.96/18,278.01
  6. Step 6: Final answer
    x = 11,617.58

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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.