Home / 13,046.90-19,570.56-3,186.36

Finding the Fourth Proportional to 13,046.90, 19,570.56 and 3,186.36

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Solution

The fourth proportional to 13,046.90, 19,570.56 and 3,186.36 is: 4,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.90 : 19,570.56 = 3,186.36 : x
  2. Step 2: Convert to fraction form
    13,046.90/19,570.56 = 3,186.36/x
  3. Step 3: Cross multiply
    13,046.90x = 19,570.56 × 3,186.36
  4. Step 4: Simplify right side
    13,046.90x = 62,358,849.56
  5. Step 5: Solve for x
    x = 62,358,849.56/13,046.90
  6. Step 6: Final answer
    x = 4,779.59

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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.