Home / 11,891.88-16,411.23-6,587.19

Finding the Fourth Proportional to 11,891.88, 16,411.23 and 6,587.19

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Solution

The fourth proportional to 11,891.88, 16,411.23 and 6,587.19 is: 9,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.88 : 16,411.23 = 6,587.19 : x
  2. Step 2: Convert to fraction form
    11,891.88/16,411.23 = 6,587.19/x
  3. Step 3: Cross multiply
    11,891.88x = 16,411.23 × 6,587.19
  4. Step 4: Simplify right side
    11,891.88x = 108,103,890.14
  5. Step 5: Solve for x
    x = 108,103,890.14/11,891.88
  6. Step 6: Final answer
    x = 9,090.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.