Home / 16,378.20-22,599-14,137.74

Finding the Fourth Proportional to 16,378.20, 22,599 and 14,137.74

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Solution

The fourth proportional to 16,378.20, 22,599 and 14,137.74 is: 19,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.20 : 22,599 = 14,137.74 : x
  2. Step 2: Convert to fraction form
    16,378.20/22,599 = 14,137.74/x
  3. Step 3: Cross multiply
    16,378.20x = 22,599 × 14,137.74
  4. Step 4: Simplify right side
    16,378.20x = 319,498,786.26
  5. Step 5: Solve for x
    x = 319,498,786.26/16,378.20
  6. Step 6: Final answer
    x = 19,507.56

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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.