Home / 13,060.92-18,028.16-8,345.19

Finding the Fourth Proportional to 13,060.92, 18,028.16 and 8,345.19

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Solution

The fourth proportional to 13,060.92, 18,028.16 and 8,345.19 is: 11,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.92 : 18,028.16 = 8,345.19 : x
  2. Step 2: Convert to fraction form
    13,060.92/18,028.16 = 8,345.19/x
  3. Step 3: Cross multiply
    13,060.92x = 18,028.16 × 8,345.19
  4. Step 4: Simplify right side
    13,060.92x = 150,448,288.68
  5. Step 5: Solve for x
    x = 150,448,288.68/13,060.92
  6. Step 6: Final answer
    x = 11,518.97

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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.