Home / 19,344.34-29,018.60-8,252.20

Finding the Fourth Proportional to 19,344.34, 29,018.60 and 8,252.20

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Solution

The fourth proportional to 19,344.34, 29,018.60 and 8,252.20 is: 12,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.34 : 29,018.60 = 8,252.20 : x
  2. Step 2: Convert to fraction form
    19,344.34/29,018.60 = 8,252.20/x
  3. Step 3: Cross multiply
    19,344.34x = 29,018.60 × 8,252.20
  4. Step 4: Simplify right side
    19,344.34x = 239,467,104.57
  5. Step 5: Solve for x
    x = 239,467,104.57/19,344.34
  6. Step 6: Final answer
    x = 12,379.19

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1.5x scale

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.