Home / 19,155.90-28,732.65-9,167.73

Finding the Fourth Proportional to 19,155.90, 28,732.65 and 9,167.73

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Solution

The fourth proportional to 19,155.90, 28,732.65 and 9,167.73 is: 13,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.90 : 28,732.65 = 9,167.73 : x
  2. Step 2: Convert to fraction form
    19,155.90/28,732.65 = 9,167.73/x
  3. Step 3: Cross multiply
    19,155.90x = 28,732.65 × 9,167.73
  4. Step 4: Simplify right side
    19,155.90x = 263,413,249.22
  5. Step 5: Solve for x
    x = 263,413,249.22/19,155.90
  6. Step 6: Final answer
    x = 13,751.03

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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.