Home / 13,240.35-19,854.11-7,695.29

Finding the Fourth Proportional to 13,240.35, 19,854.11 and 7,695.29

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Solution

The fourth proportional to 13,240.35, 19,854.11 and 7,695.29 is: 11,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.35 : 19,854.11 = 7,695.29 : x
  2. Step 2: Convert to fraction form
    13,240.35/19,854.11 = 7,695.29/x
  3. Step 3: Cross multiply
    13,240.35x = 19,854.11 × 7,695.29
  4. Step 4: Simplify right side
    13,240.35x = 152,783,203.02
  5. Step 5: Solve for x
    x = 152,783,203.02/13,240.35
  6. Step 6: Final answer
    x = 11,539.21

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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.