Home / 14,229.98-19,639.23-7,943.66

Finding the Fourth Proportional to 14,229.98, 19,639.23 and 7,943.66

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Solution

The fourth proportional to 14,229.98, 19,639.23 and 7,943.66 is: 10,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.98 : 19,639.23 = 7,943.66 : x
  2. Step 2: Convert to fraction form
    14,229.98/19,639.23 = 7,943.66/x
  3. Step 3: Cross multiply
    14,229.98x = 19,639.23 × 7,943.66
  4. Step 4: Simplify right side
    14,229.98x = 156,007,365.78
  5. Step 5: Solve for x
    x = 156,007,365.78/14,229.98
  6. Step 6: Final answer
    x = 10,963.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.