Home / 13,192.85-18,206.33-7,224.77

Finding the Fourth Proportional to 13,192.85, 18,206.33 and 7,224.77

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Solution

The fourth proportional to 13,192.85, 18,206.33 and 7,224.77 is: 9,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.85 : 18,206.33 = 7,224.77 : x
  2. Step 2: Convert to fraction form
    13,192.85/18,206.33 = 7,224.77/x
  3. Step 3: Cross multiply
    13,192.85x = 18,206.33 × 7,224.77
  4. Step 4: Simplify right side
    13,192.85x = 131,536,419.64
  5. Step 5: Solve for x
    x = 131,536,419.64/13,192.85
  6. Step 6: Final answer
    x = 9,970.28

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