Home / 13,193.09-19,790.24-7,345.29

Finding the Fourth Proportional to 13,193.09, 19,790.24 and 7,345.29

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Solution

The fourth proportional to 13,193.09, 19,790.24 and 7,345.29 is: 11,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.09 : 19,790.24 = 7,345.29 : x
  2. Step 2: Convert to fraction form
    13,193.09/19,790.24 = 7,345.29/x
  3. Step 3: Cross multiply
    13,193.09x = 19,790.24 × 7,345.29
  4. Step 4: Simplify right side
    13,193.09x = 145,365,015.24
  5. Step 5: Solve for x
    x = 145,365,015.24/13,193.09
  6. Step 6: Final answer
    x = 11,018.27

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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.