Home / 11,728.71-16,184.07-7,193.43

Finding the Fourth Proportional to 11,728.71, 16,184.07 and 7,193.43

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Solution

The fourth proportional to 11,728.71, 16,184.07 and 7,193.43 is: 9,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.71 : 16,184.07 = 7,193.43 : x
  2. Step 2: Convert to fraction form
    11,728.71/16,184.07 = 7,193.43/x
  3. Step 3: Cross multiply
    11,728.71x = 16,184.07 × 7,193.43
  4. Step 4: Simplify right side
    11,728.71x = 116,418,974.66
  5. Step 5: Solve for x
    x = 116,418,974.66/11,728.71
  6. Step 6: Final answer
    x = 9,925.98

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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.