Home / 19,760.13-29,640.19-8,073.35

Finding the Fourth Proportional to 19,760.13, 29,640.19 and 8,073.35

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Solution

The fourth proportional to 19,760.13, 29,640.19 and 8,073.35 is: 12,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.13 : 29,640.19 = 8,073.35 : x
  2. Step 2: Convert to fraction form
    19,760.13/29,640.19 = 8,073.35/x
  3. Step 3: Cross multiply
    19,760.13x = 29,640.19 × 8,073.35
  4. Step 4: Simplify right side
    19,760.13x = 239,295,479.74
  5. Step 5: Solve for x
    x = 239,295,479.74/19,760.13
  6. Step 6: Final answer
    x = 12,110.02

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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.