Home / 13,308.74-19,945.35-6,290.61

Finding the Fourth Proportional to 13,308.74, 19,945.35 and 6,290.61

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Solution

The fourth proportional to 13,308.74, 19,945.35 and 6,290.61 is: 9,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.74 : 19,945.35 = 6,290.61 : x
  2. Step 2: Convert to fraction form
    13,308.74/19,945.35 = 6,290.61/x
  3. Step 3: Cross multiply
    13,308.74x = 19,945.35 × 6,290.61
  4. Step 4: Simplify right side
    13,308.74x = 125,468,418.16
  5. Step 5: Solve for x
    x = 125,468,418.16/13,308.74
  6. Step 6: Final answer
    x = 9,427.52

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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.