Home / 13,083.37-19,633.29-12,242.75

Finding the Fourth Proportional to 13,083.37, 19,633.29 and 12,242.75

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Solution

The fourth proportional to 13,083.37, 19,633.29 and 12,242.75 is: 18,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.37 : 19,633.29 = 12,242.75 : x
  2. Step 2: Convert to fraction form
    13,083.37/19,633.29 = 12,242.75/x
  3. Step 3: Cross multiply
    13,083.37x = 19,633.29 × 12,242.75
  4. Step 4: Simplify right side
    13,083.37x = 240,365,317.07
  5. Step 5: Solve for x
    x = 240,365,317.07/13,083.37
  6. Step 6: Final answer
    x = 18,371.82

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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.