Home / 18,563.35-27,858.87-7,470.14

Finding the Fourth Proportional to 18,563.35, 27,858.87 and 7,470.14

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Solution

The fourth proportional to 18,563.35, 27,858.87 and 7,470.14 is: 11,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.35 : 27,858.87 = 7,470.14 : x
  2. Step 2: Convert to fraction form
    18,563.35/27,858.87 = 7,470.14/x
  3. Step 3: Cross multiply
    18,563.35x = 27,858.87 × 7,470.14
  4. Step 4: Simplify right side
    18,563.35x = 208,109,659.14
  5. Step 5: Solve for x
    x = 208,109,659.14/18,563.35
  6. Step 6: Final answer
    x = 11,210.78

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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.