Home / 13,247.43-19,874.63-7,695.43

Finding the Fourth Proportional to 13,247.43, 19,874.63 and 7,695.43

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Solution

The fourth proportional to 13,247.43, 19,874.63 and 7,695.43 is: 11,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.43 : 19,874.63 = 7,695.43 : x
  2. Step 2: Convert to fraction form
    13,247.43/19,874.63 = 7,695.43/x
  3. Step 3: Cross multiply
    13,247.43x = 19,874.63 × 7,695.43
  4. Step 4: Simplify right side
    13,247.43x = 152,943,905.29
  5. Step 5: Solve for x
    x = 152,943,905.29/13,247.43
  6. Step 6: Final answer
    x = 11,545.18

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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.