Home / 19,293.76-28,941.24-6,643.38

Finding the Fourth Proportional to 19,293.76, 28,941.24 and 6,643.38

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Solution

The fourth proportional to 19,293.76, 28,941.24 and 6,643.38 is: 9,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.76 : 28,941.24 = 6,643.38 : x
  2. Step 2: Convert to fraction form
    19,293.76/28,941.24 = 6,643.38/x
  3. Step 3: Cross multiply
    19,293.76x = 28,941.24 × 6,643.38
  4. Step 4: Simplify right side
    19,293.76x = 192,267,654.99
  5. Step 5: Solve for x
    x = 192,267,654.99/19,293.76
  6. Step 6: Final answer
    x = 9,965.28

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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.