Home / 13,155.48-18,151.56-7,849.26

Finding the Fourth Proportional to 13,155.48, 18,151.56 and 7,849.26

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Solution

The fourth proportional to 13,155.48, 18,151.56 and 7,849.26 is: 10,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.48 : 18,151.56 = 7,849.26 : x
  2. Step 2: Convert to fraction form
    13,155.48/18,151.56 = 7,849.26/x
  3. Step 3: Cross multiply
    13,155.48x = 18,151.56 × 7,849.26
  4. Step 4: Simplify right side
    13,155.48x = 142,476,313.85
  5. Step 5: Solve for x
    x = 142,476,313.85/13,155.48
  6. Step 6: Final answer
    x = 10,830.19

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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.