Home / 15,253.88-21,043.91-10,219.73

Finding the Fourth Proportional to 15,253.88, 21,043.91 and 10,219.73

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Solution

The fourth proportional to 15,253.88, 21,043.91 and 10,219.73 is: 14,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.88 : 21,043.91 = 10,219.73 : x
  2. Step 2: Convert to fraction form
    15,253.88/21,043.91 = 10,219.73/x
  3. Step 3: Cross multiply
    15,253.88x = 21,043.91 × 10,219.73
  4. Step 4: Simplify right side
    15,253.88x = 215,062,922.03
  5. Step 5: Solve for x
    x = 215,062,922.03/15,253.88
  6. Step 6: Final answer
    x = 14,098.90

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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.