Home / 21,231.18-31,846.77-9,530.73

Finding the Fourth Proportional to 21,231.18, 31,846.77 and 9,530.73

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Solution

The fourth proportional to 21,231.18, 31,846.77 and 9,530.73 is: 14,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,231.18 : 31,846.77 = 9,530.73 : x
  2. Step 2: Convert to fraction form
    21,231.18/31,846.77 = 9,530.73/x
  3. Step 3: Cross multiply
    21,231.18x = 31,846.77 × 9,530.73
  4. Step 4: Simplify right side
    21,231.18x = 303,522,966.24
  5. Step 5: Solve for x
    x = 303,522,966.24/21,231.18
  6. Step 6: Final answer
    x = 14,296.10

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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.