Home / 10,730.19-16,085.49-4,151.43

Finding the Fourth Proportional to 10,730.19, 16,085.49 and 4,151.43

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Solution

The fourth proportional to 10,730.19, 16,085.49 and 4,151.43 is: 6,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.19 : 16,085.49 = 4,151.43 : x
  2. Step 2: Convert to fraction form
    10,730.19/16,085.49 = 4,151.43/x
  3. Step 3: Cross multiply
    10,730.19x = 16,085.49 × 4,151.43
  4. Step 4: Simplify right side
    10,730.19x = 66,777,785.75
  5. Step 5: Solve for x
    x = 66,777,785.75/10,730.19
  6. Step 6: Final answer
    x = 6,223.36

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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.