Home / 13,799.88-19,043.84-7,512.28

Finding the Fourth Proportional to 13,799.88, 19,043.84 and 7,512.28

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Solution

The fourth proportional to 13,799.88, 19,043.84 and 7,512.28 is: 10,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.88 : 19,043.84 = 7,512.28 : x
  2. Step 2: Convert to fraction form
    13,799.88/19,043.84 = 7,512.28/x
  3. Step 3: Cross multiply
    13,799.88x = 19,043.84 × 7,512.28
  4. Step 4: Simplify right side
    13,799.88x = 143,062,658.36
  5. Step 5: Solve for x
    x = 143,062,658.36/13,799.88
  6. Step 6: Final answer
    x = 10,366.95

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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.