Home / 13,926.26-19,216.92-7,957.88

Finding the Fourth Proportional to 13,926.26, 19,216.92 and 7,957.88

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Solution

The fourth proportional to 13,926.26, 19,216.92 and 7,957.88 is: 10,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.26 : 19,216.92 = 7,957.88 : x
  2. Step 2: Convert to fraction form
    13,926.26/19,216.92 = 7,957.88/x
  3. Step 3: Cross multiply
    13,926.26x = 19,216.92 × 7,957.88
  4. Step 4: Simplify right side
    13,926.26x = 152,925,943.33
  5. Step 5: Solve for x
    x = 152,925,943.33/13,926.26
  6. Step 6: Final answer
    x = 10,981.12

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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.