Home / 11,997.88-16,564.80-7,750.84

Finding the Fourth Proportional to 11,997.88, 16,564.80 and 7,750.84

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Solution

The fourth proportional to 11,997.88, 16,564.80 and 7,750.84 is: 10,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.88 : 16,564.80 = 7,750.84 : x
  2. Step 2: Convert to fraction form
    11,997.88/16,564.80 = 7,750.84/x
  3. Step 3: Cross multiply
    11,997.88x = 16,564.80 × 7,750.84
  4. Step 4: Simplify right side
    11,997.88x = 128,391,114.43
  5. Step 5: Solve for x
    x = 128,391,114.43/11,997.88
  6. Step 6: Final answer
    x = 10,701.15

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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.