Home / 13,069.22-19,587.42-7,808.12

Finding the Fourth Proportional to 13,069.22, 19,587.42 and 7,808.12

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Solution

The fourth proportional to 13,069.22, 19,587.42 and 7,808.12 is: 11,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.22 : 19,587.42 = 7,808.12 : x
  2. Step 2: Convert to fraction form
    13,069.22/19,587.42 = 7,808.12/x
  3. Step 3: Cross multiply
    13,069.22x = 19,587.42 × 7,808.12
  4. Step 4: Simplify right side
    13,069.22x = 152,940,827.91
  5. Step 5: Solve for x
    x = 152,940,827.91/13,069.22
  6. Step 6: Final answer
    x = 11,702.37

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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.