Home / 21,042.05-31,562.85-6,251.09

Finding the Fourth Proportional to 21,042.05, 31,562.85 and 6,251.09

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Solution

The fourth proportional to 21,042.05, 31,562.85 and 6,251.09 is: 9,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.05 : 31,562.85 = 6,251.09 : x
  2. Step 2: Convert to fraction form
    21,042.05/31,562.85 = 6,251.09/x
  3. Step 3: Cross multiply
    21,042.05x = 31,562.85 × 6,251.09
  4. Step 4: Simplify right side
    21,042.05x = 197,302,216.01
  5. Step 5: Solve for x
    x = 197,302,216.01/21,042.05
  6. Step 6: Final answer
    x = 9,376.57

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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.