Home / 14,313.26-19,752.66-7,939.95

Finding the Fourth Proportional to 14,313.26, 19,752.66 and 7,939.95

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Solution

The fourth proportional to 14,313.26, 19,752.66 and 7,939.95 is: 10,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.26 : 19,752.66 = 7,939.95 : x
  2. Step 2: Convert to fraction form
    14,313.26/19,752.66 = 7,939.95/x
  3. Step 3: Cross multiply
    14,313.26x = 19,752.66 × 7,939.95
  4. Step 4: Simplify right side
    14,313.26x = 156,835,132.77
  5. Step 5: Solve for x
    x = 156,835,132.77/14,313.26
  6. Step 6: Final answer
    x = 10,957.34

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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.