Home / 14,264.28-19,684.82-7,891.29

Finding the Fourth Proportional to 14,264.28, 19,684.82 and 7,891.29

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Solution

The fourth proportional to 14,264.28, 19,684.82 and 7,891.29 is: 10,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.28 : 19,684.82 = 7,891.29 : x
  2. Step 2: Convert to fraction form
    14,264.28/19,684.82 = 7,891.29/x
  3. Step 3: Cross multiply
    14,264.28x = 19,684.82 × 7,891.29
  4. Step 4: Simplify right side
    14,264.28x = 155,338,642.95
  5. Step 5: Solve for x
    x = 155,338,642.95/14,264.28
  6. Step 6: Final answer
    x = 10,890.04

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1.5x scale

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.