Home / 21,704.88-29,953.40-12,273.24

Finding the Fourth Proportional to 21,704.88, 29,953.40 and 12,273.24

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Solution

The fourth proportional to 21,704.88, 29,953.40 and 12,273.24 is: 16,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.88 : 29,953.40 = 12,273.24 : x
  2. Step 2: Convert to fraction form
    21,704.88/29,953.40 = 12,273.24/x
  3. Step 3: Cross multiply
    21,704.88x = 29,953.40 × 12,273.24
  4. Step 4: Simplify right side
    21,704.88x = 367,625,267.02
  5. Step 5: Solve for x
    x = 367,625,267.02/21,704.88
  6. Step 6: Final answer
    x = 16,937.45

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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.