Home / 13,273.66-18,317.50-8,239.92

Finding the Fourth Proportional to 13,273.66, 18,317.50 and 8,239.92

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Solution

The fourth proportional to 13,273.66, 18,317.50 and 8,239.92 is: 11,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.66 : 18,317.50 = 8,239.92 : x
  2. Step 2: Convert to fraction form
    13,273.66/18,317.50 = 8,239.92/x
  3. Step 3: Cross multiply
    13,273.66x = 18,317.50 × 8,239.92
  4. Step 4: Simplify right side
    13,273.66x = 150,934,734.60
  5. Step 5: Solve for x
    x = 150,934,734.60/13,273.66
  6. Step 6: Final answer
    x = 11,371.00

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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.