Home / 19,326.47-28,991.52-6,175.71

Finding the Fourth Proportional to 19,326.47, 28,991.52 and 6,175.71

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Solution

The fourth proportional to 19,326.47, 28,991.52 and 6,175.71 is: 9,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.47 : 28,991.52 = 6,175.71 : x
  2. Step 2: Convert to fraction form
    19,326.47/28,991.52 = 6,175.71/x
  3. Step 3: Cross multiply
    19,326.47x = 28,991.52 × 6,175.71
  4. Step 4: Simplify right side
    19,326.47x = 179,043,219.98
  5. Step 5: Solve for x
    x = 179,043,219.98/19,326.47
  6. Step 6: Final answer
    x = 9,264.15

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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.