Home / 21,523.30-29,704.01-12,573.68

Finding the Fourth Proportional to 21,523.30, 29,704.01 and 12,573.68

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Solution

The fourth proportional to 21,523.30, 29,704.01 and 12,573.68 is: 17,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.30 : 29,704.01 = 12,573.68 : x
  2. Step 2: Convert to fraction form
    21,523.30/29,704.01 = 12,573.68/x
  3. Step 3: Cross multiply
    21,523.30x = 29,704.01 × 12,573.68
  4. Step 4: Simplify right side
    21,523.30x = 373,488,716.46
  5. Step 5: Solve for x
    x = 373,488,716.46/21,523.30
  6. Step 6: Final answer
    x = 17,352.76

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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.