Home / 13,171.83-18,183.74-10,180.91

Finding the Fourth Proportional to 13,171.83, 18,183.74 and 10,180.91

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Solution

The fourth proportional to 13,171.83, 18,183.74 and 10,180.91 is: 14,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.83 : 18,183.74 = 10,180.91 : x
  2. Step 2: Convert to fraction form
    13,171.83/18,183.74 = 10,180.91/x
  3. Step 3: Cross multiply
    13,171.83x = 18,183.74 × 10,180.91
  4. Step 4: Simplify right side
    13,171.83x = 185,127,020.40
  5. Step 5: Solve for x
    x = 185,127,020.40/13,171.83
  6. Step 6: Final answer
    x = 14,054.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.