Home / 21,029.48-31,539.36-6,234.83

Finding the Fourth Proportional to 21,029.48, 31,539.36 and 6,234.83

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Solution

The fourth proportional to 21,029.48, 31,539.36 and 6,234.83 is: 9,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.48 : 31,539.36 = 6,234.83 : x
  2. Step 2: Convert to fraction form
    21,029.48/31,539.36 = 6,234.83/x
  3. Step 3: Cross multiply
    21,029.48x = 31,539.36 × 6,234.83
  4. Step 4: Simplify right side
    21,029.48x = 196,642,594.27
  5. Step 5: Solve for x
    x = 196,642,594.27/21,029.48
  6. Step 6: Final answer
    x = 9,350.81

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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.