Home / 19,555.80-29,281.86-10,179.24

Finding the Fourth Proportional to 19,555.80, 29,281.86 and 10,179.24

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Solution

The fourth proportional to 19,555.80, 29,281.86 and 10,179.24 is: 15,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.80 : 29,281.86 = 10,179.24 : x
  2. Step 2: Convert to fraction form
    19,555.80/29,281.86 = 10,179.24/x
  3. Step 3: Cross multiply
    19,555.80x = 29,281.86 × 10,179.24
  4. Step 4: Simplify right side
    19,555.80x = 298,067,080.59
  5. Step 5: Solve for x
    x = 298,067,080.59/19,555.80
  6. Step 6: Final answer
    x = 15,241.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.