Home / 11,982.12-18,037.88-10,776.53

Finding the Fourth Proportional to 11,982.12, 18,037.88 and 10,776.53

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Solution

The fourth proportional to 11,982.12, 18,037.88 and 10,776.53 is: 16,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.12 : 18,037.88 = 10,776.53 : x
  2. Step 2: Convert to fraction form
    11,982.12/18,037.88 = 10,776.53/x
  3. Step 3: Cross multiply
    11,982.12x = 18,037.88 × 10,776.53
  4. Step 4: Simplify right side
    11,982.12x = 194,385,754.96
  5. Step 5: Solve for x
    x = 194,385,754.96/11,982.12
  6. Step 6: Final answer
    x = 16,222.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.