Home / 15,217.65-20,983.27-9,833

Finding the Fourth Proportional to 15,217.65, 20,983.27 and 9,833

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Solution

The fourth proportional to 15,217.65, 20,983.27 and 9,833 is: 13,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.65 : 20,983.27 = 9,833 : x
  2. Step 2: Convert to fraction form
    15,217.65/20,983.27 = 9,833/x
  3. Step 3: Cross multiply
    15,217.65x = 20,983.27 × 9,833
  4. Step 4: Simplify right side
    15,217.65x = 206,328,469.33
  5. Step 5: Solve for x
    x = 206,328,469.33/15,217.65
  6. Step 6: Final answer
    x = 13,558.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.