Home / 21,064.92-31,604.21-6,273.96

Finding the Fourth Proportional to 21,064.92, 31,604.21 and 6,273.96

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Solution

The fourth proportional to 21,064.92, 31,604.21 and 6,273.96 is: 9,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.92 : 31,604.21 = 6,273.96 : x
  2. Step 2: Convert to fraction form
    21,064.92/31,604.21 = 6,273.96/x
  3. Step 3: Cross multiply
    21,064.92x = 31,604.21 × 6,273.96
  4. Step 4: Simplify right side
    21,064.92x = 198,283,549.37
  5. Step 5: Solve for x
    x = 198,283,549.37/21,064.92
  6. Step 6: Final answer
    x = 9,412.97

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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.