Home / 11,887.61-16,404.87-6,582.75

Finding the Fourth Proportional to 11,887.61, 16,404.87 and 6,582.75

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Solution

The fourth proportional to 11,887.61, 16,404.87 and 6,582.75 is: 9,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.61 : 16,404.87 = 6,582.75 : x
  2. Step 2: Convert to fraction form
    11,887.61/16,404.87 = 6,582.75/x
  3. Step 3: Cross multiply
    11,887.61x = 16,404.87 × 6,582.75
  4. Step 4: Simplify right side
    11,887.61x = 107,989,157.99
  5. Step 5: Solve for x
    x = 107,989,157.99/11,887.61
  6. Step 6: Final answer
    x = 9,084.18

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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.