Home / 19,155.93-28,724.64-6,675.66

Finding the Fourth Proportional to 19,155.93, 28,724.64 and 6,675.66

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Solution

The fourth proportional to 19,155.93, 28,724.64 and 6,675.66 is: 10,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.93 : 28,724.64 = 6,675.66 : x
  2. Step 2: Convert to fraction form
    19,155.93/28,724.64 = 6,675.66/x
  3. Step 3: Cross multiply
    19,155.93x = 28,724.64 × 6,675.66
  4. Step 4: Simplify right side
    19,155.93x = 191,755,930.26
  5. Step 5: Solve for x
    x = 191,755,930.26/19,155.93
  6. Step 6: Final answer
    x = 10,010.26

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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.