Home / 12,087.21-16,708.24-10,086.11

Finding the Fourth Proportional to 12,087.21, 16,708.24 and 10,086.11

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Solution

The fourth proportional to 12,087.21, 16,708.24 and 10,086.11 is: 13,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.21 : 16,708.24 = 10,086.11 : x
  2. Step 2: Convert to fraction form
    12,087.21/16,708.24 = 10,086.11/x
  3. Step 3: Cross multiply
    12,087.21x = 16,708.24 × 10,086.11
  4. Step 4: Simplify right side
    12,087.21x = 168,521,146.55
  5. Step 5: Solve for x
    x = 168,521,146.55/12,087.21
  6. Step 6: Final answer
    x = 13,942.10

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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.