Home / 21,039.84-31,559.15-6,248.73

Finding the Fourth Proportional to 21,039.84, 31,559.15 and 6,248.73

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Solution

The fourth proportional to 21,039.84, 31,559.15 and 6,248.73 is: 9,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.84 : 31,559.15 = 6,248.73 : x
  2. Step 2: Convert to fraction form
    21,039.84/31,559.15 = 6,248.73/x
  3. Step 3: Cross multiply
    21,039.84x = 31,559.15 × 6,248.73
  4. Step 4: Simplify right side
    21,039.84x = 197,204,576.14
  5. Step 5: Solve for x
    x = 197,204,576.14/21,039.84
  6. Step 6: Final answer
    x = 9,372.91

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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.