Home / 21,523.05-32,333.18-12,763.71

Finding the Fourth Proportional to 21,523.05, 32,333.18 and 12,763.71

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Solution

The fourth proportional to 21,523.05, 32,333.18 and 12,763.71 is: 19,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.05 : 32,333.18 = 12,763.71 : x
  2. Step 2: Convert to fraction form
    21,523.05/32,333.18 = 12,763.71/x
  3. Step 3: Cross multiply
    21,523.05x = 32,333.18 × 12,763.71
  4. Step 4: Simplify right side
    21,523.05x = 412,691,486.06
  5. Step 5: Solve for x
    x = 412,691,486.06/21,523.05
  6. Step 6: Final answer
    x = 19,174.39

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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.