Home / 11,983.55-18,040.05-10,777.97

Finding the Fourth Proportional to 11,983.55, 18,040.05 and 10,777.97

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Solution

The fourth proportional to 11,983.55, 18,040.05 and 10,777.97 is: 16,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.55 : 18,040.05 = 10,777.97 : x
  2. Step 2: Convert to fraction form
    11,983.55/18,040.05 = 10,777.97/x
  3. Step 3: Cross multiply
    11,983.55x = 18,040.05 × 10,777.97
  4. Step 4: Simplify right side
    11,983.55x = 194,435,162.80
  5. Step 5: Solve for x
    x = 194,435,162.80/11,983.55
  6. Step 6: Final answer
    x = 16,225.17

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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.