Home / 11,887.20-16,404.45-6,582.13

Finding the Fourth Proportional to 11,887.20, 16,404.45 and 6,582.13

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Solution

The fourth proportional to 11,887.20, 16,404.45 and 6,582.13 is: 9,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.20 : 16,404.45 = 6,582.13 : x
  2. Step 2: Convert to fraction form
    11,887.20/16,404.45 = 6,582.13/x
  3. Step 3: Cross multiply
    11,887.20x = 16,404.45 × 6,582.13
  4. Step 4: Simplify right side
    11,887.20x = 107,976,222.48
  5. Step 5: Solve for x
    x = 107,976,222.48/11,887.20
  6. Step 6: Final answer
    x = 9,083.40

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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.