Home / 9,164.13-13,746.19-3,320.73

Finding the Fourth Proportional to 9,164.13, 13,746.19 and 3,320.73

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Solution

The fourth proportional to 9,164.13, 13,746.19 and 3,320.73 is: 4,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.13 : 13,746.19 = 3,320.73 : x
  2. Step 2: Convert to fraction form
    9,164.13/13,746.19 = 3,320.73/x
  3. Step 3: Cross multiply
    9,164.13x = 13,746.19 × 3,320.73
  4. Step 4: Simplify right side
    9,164.13x = 45,647,385.52
  5. Step 5: Solve for x
    x = 45,647,385.52/9,164.13
  6. Step 6: Final answer
    x = 4,981.09

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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.