Home / 19,167.59-28,765.36-9,815.43

Finding the Fourth Proportional to 19,167.59, 28,765.36 and 9,815.43

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Solution

The fourth proportional to 19,167.59, 28,765.36 and 9,815.43 is: 14,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.59 : 28,765.36 = 9,815.43 : x
  2. Step 2: Convert to fraction form
    19,167.59/28,765.36 = 9,815.43/x
  3. Step 3: Cross multiply
    19,167.59x = 28,765.36 × 9,815.43
  4. Step 4: Simplify right side
    19,167.59x = 282,344,497.64
  5. Step 5: Solve for x
    x = 282,344,497.64/19,167.59
  6. Step 6: Final answer
    x = 14,730.31

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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.