Home / 15,908.74-21,927.92-12,716.39

Finding the Fourth Proportional to 15,908.74, 21,927.92 and 12,716.39

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Solution

The fourth proportional to 15,908.74, 21,927.92 and 12,716.39 is: 17,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.74 : 21,927.92 = 12,716.39 : x
  2. Step 2: Convert to fraction form
    15,908.74/21,927.92 = 12,716.39/x
  3. Step 3: Cross multiply
    15,908.74x = 21,927.92 × 12,716.39
  4. Step 4: Simplify right side
    15,908.74x = 278,843,973.85
  5. Step 5: Solve for x
    x = 278,843,973.85/15,908.74
  6. Step 6: Final answer
    x = 17,527.72

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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.