Home / 19,900.69-27,464.27-11,517.19

Finding the Fourth Proportional to 19,900.69, 27,464.27 and 11,517.19

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Solution

The fourth proportional to 19,900.69, 27,464.27 and 11,517.19 is: 15,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.69 : 27,464.27 = 11,517.19 : x
  2. Step 2: Convert to fraction form
    19,900.69/27,464.27 = 11,517.19/x
  3. Step 3: Cross multiply
    19,900.69x = 27,464.27 × 11,517.19
  4. Step 4: Simplify right side
    19,900.69x = 316,311,089.55
  5. Step 5: Solve for x
    x = 316,311,089.55/19,900.69
  6. Step 6: Final answer
    x = 15,894.48

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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.