Home / 18,490.68-27,736.56-5,346

Finding the Fourth Proportional to 18,490.68, 27,736.56 and 5,346

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Solution

The fourth proportional to 18,490.68, 27,736.56 and 5,346 is: 8,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.68 : 27,736.56 = 5,346 : x
  2. Step 2: Convert to fraction form
    18,490.68/27,736.56 = 5,346/x
  3. Step 3: Cross multiply
    18,490.68x = 27,736.56 × 5,346
  4. Step 4: Simplify right side
    18,490.68x = 148,279,649.76
  5. Step 5: Solve for x
    x = 148,279,649.76/18,490.68
  6. Step 6: Final answer
    x = 8,019.16

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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.