Home / 16,303.80-22,458.94-13,905.96

Finding the Fourth Proportional to 16,303.80, 22,458.94 and 13,905.96

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Solution

The fourth proportional to 16,303.80, 22,458.94 and 13,905.96 is: 19,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.80 : 22,458.94 = 13,905.96 : x
  2. Step 2: Convert to fraction form
    16,303.80/22,458.94 = 13,905.96/x
  3. Step 3: Cross multiply
    16,303.80x = 22,458.94 × 13,905.96
  4. Step 4: Simplify right side
    16,303.80x = 312,313,121.28
  5. Step 5: Solve for x
    x = 312,313,121.28/16,303.80
  6. Step 6: Final answer
    x = 19,155.85

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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.