Home / 21,883.52-30,199.44-12,452.70

Finding the Fourth Proportional to 21,883.52, 30,199.44 and 12,452.70

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Solution

The fourth proportional to 21,883.52, 30,199.44 and 12,452.70 is: 17,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.52 : 30,199.44 = 12,452.70 : x
  2. Step 2: Convert to fraction form
    21,883.52/30,199.44 = 12,452.70/x
  3. Step 3: Cross multiply
    21,883.52x = 30,199.44 × 12,452.70
  4. Step 4: Simplify right side
    21,883.52x = 376,064,566.49
  5. Step 5: Solve for x
    x = 376,064,566.49/21,883.52
  6. Step 6: Final answer
    x = 17,184.83

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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.