Home / 10,245.27-14,138.91-5,707.95

Finding the Fourth Proportional to 10,245.27, 14,138.91 and 5,707.95

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Solution

The fourth proportional to 10,245.27, 14,138.91 and 5,707.95 is: 7,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.27 : 14,138.91 = 5,707.95 : x
  2. Step 2: Convert to fraction form
    10,245.27/14,138.91 = 5,707.95/x
  3. Step 3: Cross multiply
    10,245.27x = 14,138.91 × 5,707.95
  4. Step 4: Simplify right side
    10,245.27x = 80,704,214.44
  5. Step 5: Solve for x
    x = 80,704,214.44/10,245.27
  6. Step 6: Final answer
    x = 7,877.21

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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.