Home / 11,985.25-17,977.21-4,589.14

Finding the Fourth Proportional to 11,985.25, 17,977.21 and 4,589.14

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Solution

The fourth proportional to 11,985.25, 17,977.21 and 4,589.14 is: 6,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.25 : 17,977.21 = 4,589.14 : x
  2. Step 2: Convert to fraction form
    11,985.25/17,977.21 = 4,589.14/x
  3. Step 3: Cross multiply
    11,985.25x = 17,977.21 × 4,589.14
  4. Step 4: Simplify right side
    11,985.25x = 82,499,933.50
  5. Step 5: Solve for x
    x = 82,499,933.50/11,985.25
  6. Step 6: Final answer
    x = 6,883.46

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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.