Home / 18,237.06-27,358.30-5,755.76

Finding the Fourth Proportional to 18,237.06, 27,358.30 and 5,755.76

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Solution

The fourth proportional to 18,237.06, 27,358.30 and 5,755.76 is: 8,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.06 : 27,358.30 = 5,755.76 : x
  2. Step 2: Convert to fraction form
    18,237.06/27,358.30 = 5,755.76/x
  3. Step 3: Cross multiply
    18,237.06x = 27,358.30 × 5,755.76
  4. Step 4: Simplify right side
    18,237.06x = 157,467,808.81
  5. Step 5: Solve for x
    x = 157,467,808.81/18,237.06
  6. Step 6: Final answer
    x = 8,634.50

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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.