Home / 15,955.20-23,876.10-13,897.80

Finding the Fourth Proportional to 15,955.20, 23,876.10 and 13,897.80

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Solution

The fourth proportional to 15,955.20, 23,876.10 and 13,897.80 is: 20,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.20 : 23,876.10 = 13,897.80 : x
  2. Step 2: Convert to fraction form
    15,955.20/23,876.10 = 13,897.80/x
  3. Step 3: Cross multiply
    15,955.20x = 23,876.10 × 13,897.80
  4. Step 4: Simplify right side
    15,955.20x = 331,825,262.58
  5. Step 5: Solve for x
    x = 331,825,262.58/15,955.20
  6. Step 6: Final answer
    x = 20,797.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.