Home / 20,687.24-31,050.30-10,833.59

Finding the Fourth Proportional to 20,687.24, 31,050.30 and 10,833.59

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Solution

The fourth proportional to 20,687.24, 31,050.30 and 10,833.59 is: 16,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687.24 : 31,050.30 = 10,833.59 : x
  2. Step 2: Convert to fraction form
    20,687.24/31,050.30 = 10,833.59/x
  3. Step 3: Cross multiply
    20,687.24x = 31,050.30 × 10,833.59
  4. Step 4: Simplify right side
    20,687.24x = 336,386,064.33
  5. Step 5: Solve for x
    x = 336,386,064.33/20,687.24
  6. Step 6: Final answer
    x = 16,260.56

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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.