Home / 18,490.36-27,749.18-10,168.82

Finding the Fourth Proportional to 18,490.36, 27,749.18 and 10,168.82

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Solution

The fourth proportional to 18,490.36, 27,749.18 and 10,168.82 is: 15,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.36 : 27,749.18 = 10,168.82 : x
  2. Step 2: Convert to fraction form
    18,490.36/27,749.18 = 10,168.82/x
  3. Step 3: Cross multiply
    18,490.36x = 27,749.18 × 10,168.82
  4. Step 4: Simplify right side
    18,490.36x = 282,176,416.57
  5. Step 5: Solve for x
    x = 282,176,416.57/18,490.36
  6. Step 6: Final answer
    x = 15,260.73

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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.