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Finding the Fourth Proportional to 11,625, 16,110.11 and 11,403.40

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Solution

The fourth proportional to 11,625, 16,110.11 and 11,403.40 is: 15,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625 : 16,110.11 = 11,403.40 : x
  2. Step 2: Convert to fraction form
    11,625/16,110.11 = 11,403.40/x
  3. Step 3: Cross multiply
    11,625x = 16,110.11 × 11,403.40
  4. Step 4: Simplify right side
    11,625x = 183,710,028.37
  5. Step 5: Solve for x
    x = 183,710,028.37/11,625
  6. Step 6: Final answer
    x = 15,803.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.