Home / 13,001.85-19,499.75-3,642.52

Finding the Fourth Proportional to 13,001.85, 19,499.75 and 3,642.52

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Solution

The fourth proportional to 13,001.85, 19,499.75 and 3,642.52 is: 5,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.85 : 19,499.75 = 3,642.52 : x
  2. Step 2: Convert to fraction form
    13,001.85/19,499.75 = 3,642.52/x
  3. Step 3: Cross multiply
    13,001.85x = 19,499.75 × 3,642.52
  4. Step 4: Simplify right side
    13,001.85x = 71,028,262.85
  5. Step 5: Solve for x
    x = 71,028,262.85/13,001.85
  6. Step 6: Final answer
    x = 5,462.94

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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.