Home / 12,720.03-19,077-3,833.52

Finding the Fourth Proportional to 12,720.03, 19,077 and 3,833.52

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Solution

The fourth proportional to 12,720.03, 19,077 and 3,833.52 is: 5,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720.03 : 19,077 = 3,833.52 : x
  2. Step 2: Convert to fraction form
    12,720.03/19,077 = 3,833.52/x
  3. Step 3: Cross multiply
    12,720.03x = 19,077 × 3,833.52
  4. Step 4: Simplify right side
    12,720.03x = 73,132,061.04
  5. Step 5: Solve for x
    x = 73,132,061.04/12,720.03
  6. Step 6: Final answer
    x = 5,749.36

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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.