Home / 11,227.68-16,860.36-10,780.72

Finding the Fourth Proportional to 11,227.68, 16,860.36 and 10,780.72

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Solution

The fourth proportional to 11,227.68, 16,860.36 and 10,780.72 is: 16,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.68 : 16,860.36 = 10,780.72 : x
  2. Step 2: Convert to fraction form
    11,227.68/16,860.36 = 10,780.72/x
  3. Step 3: Cross multiply
    11,227.68x = 16,860.36 × 10,780.72
  4. Step 4: Simplify right side
    11,227.68x = 181,766,820.26
  5. Step 5: Solve for x
    x = 181,766,820.26/11,227.68
  6. Step 6: Final answer
    x = 16,189.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.