Home / 14,264.88-19,685.28-7,891.24

Finding the Fourth Proportional to 14,264.88, 19,685.28 and 7,891.24

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Solution

The fourth proportional to 14,264.88, 19,685.28 and 7,891.24 is: 10,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.88 : 19,685.28 = 7,891.24 : x
  2. Step 2: Convert to fraction form
    14,264.88/19,685.28 = 7,891.24/x
  3. Step 3: Cross multiply
    14,264.88x = 19,685.28 × 7,891.24
  4. Step 4: Simplify right side
    14,264.88x = 155,341,268.95
  5. Step 5: Solve for x
    x = 155,341,268.95/14,264.88
  6. Step 6: Final answer
    x = 10,889.77

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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.