Home / 16,351.47-22,585.64-14,222.79

Finding the Fourth Proportional to 16,351.47, 22,585.64 and 14,222.79

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Solution

The fourth proportional to 16,351.47, 22,585.64 and 14,222.79 is: 19,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.47 : 22,585.64 = 14,222.79 : x
  2. Step 2: Convert to fraction form
    16,351.47/22,585.64 = 14,222.79/x
  3. Step 3: Cross multiply
    16,351.47x = 22,585.64 × 14,222.79
  4. Step 4: Simplify right side
    16,351.47x = 321,230,743.62
  5. Step 5: Solve for x
    x = 321,230,743.62/16,351.47
  6. Step 6: Final answer
    x = 19,645.37

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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.