Home / 11,589.10-17,381.80-3,690.59

Finding the Fourth Proportional to 11,589.10, 17,381.80 and 3,690.59

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Solution

The fourth proportional to 11,589.10, 17,381.80 and 3,690.59 is: 5,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.10 : 17,381.80 = 3,690.59 : x
  2. Step 2: Convert to fraction form
    11,589.10/17,381.80 = 3,690.59/x
  3. Step 3: Cross multiply
    11,589.10x = 17,381.80 × 3,690.59
  4. Step 4: Simplify right side
    11,589.10x = 64,149,097.26
  5. Step 5: Solve for x
    x = 64,149,097.26/11,589.10
  6. Step 6: Final answer
    x = 5,535.30

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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.