Home / 14,264.85-19,684.61-7,891.29

Finding the Fourth Proportional to 14,264.85, 19,684.61 and 7,891.29

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Solution

The fourth proportional to 14,264.85, 19,684.61 and 7,891.29 is: 10,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.85 : 19,684.61 = 7,891.29 : x
  2. Step 2: Convert to fraction form
    14,264.85/19,684.61 = 7,891.29/x
  3. Step 3: Cross multiply
    14,264.85x = 19,684.61 × 7,891.29
  4. Step 4: Simplify right side
    14,264.85x = 155,336,926.59
  5. Step 5: Solve for x
    x = 155,336,926.59/14,264.85
  6. Step 6: Final answer
    x = 10,889.49

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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.