Home / 20,357.11-28,097.24-11,860.62

Finding the Fourth Proportional to 20,357.11, 28,097.24 and 11,860.62

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Solution

The fourth proportional to 20,357.11, 28,097.24 and 11,860.62 is: 16,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.11 : 28,097.24 = 11,860.62 : x
  2. Step 2: Convert to fraction form
    20,357.11/28,097.24 = 11,860.62/x
  3. Step 3: Cross multiply
    20,357.11x = 28,097.24 × 11,860.62
  4. Step 4: Simplify right side
    20,357.11x = 333,250,686.69
  5. Step 5: Solve for x
    x = 333,250,686.69/20,357.11
  6. Step 6: Final answer
    x = 16,370.24

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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.