Home / 19,326.69-28,989.68-6,179.07

Finding the Fourth Proportional to 19,326.69, 28,989.68 and 6,179.07

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Solution

The fourth proportional to 19,326.69, 28,989.68 and 6,179.07 is: 9,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.69 : 28,989.68 = 6,179.07 : x
  2. Step 2: Convert to fraction form
    19,326.69/28,989.68 = 6,179.07/x
  3. Step 3: Cross multiply
    19,326.69x = 28,989.68 × 6,179.07
  4. Step 4: Simplify right side
    19,326.69x = 179,129,231.10
  5. Step 5: Solve for x
    x = 179,129,231.10/19,326.69
  6. Step 6: Final answer
    x = 9,268.49

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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.