Home / 13,729.27-18,946.35-7,441.66

Finding the Fourth Proportional to 13,729.27, 18,946.35 and 7,441.66

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Solution

The fourth proportional to 13,729.27, 18,946.35 and 7,441.66 is: 10,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.27 : 18,946.35 = 7,441.66 : x
  2. Step 2: Convert to fraction form
    13,729.27/18,946.35 = 7,441.66/x
  3. Step 3: Cross multiply
    13,729.27x = 18,946.35 × 7,441.66
  4. Step 4: Simplify right side
    13,729.27x = 140,992,294.94
  5. Step 5: Solve for x
    x = 140,992,294.94/13,729.27
  6. Step 6: Final answer
    x = 10,269.47

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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.