Home / 18,293.37-27,437.25-5,811.78

Finding the Fourth Proportional to 18,293.37, 27,437.25 and 5,811.78

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Solution

The fourth proportional to 18,293.37, 27,437.25 and 5,811.78 is: 8,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.37 : 27,437.25 = 5,811.78 : x
  2. Step 2: Convert to fraction form
    18,293.37/27,437.25 = 5,811.78/x
  3. Step 3: Cross multiply
    18,293.37x = 27,437.25 × 5,811.78
  4. Step 4: Simplify right side
    18,293.37x = 159,459,260.81
  5. Step 5: Solve for x
    x = 159,459,260.81/18,293.37
  6. Step 6: Final answer
    x = 8,716.78

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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.