Home / 18,410.28-27,620.07-5,263.77

Finding the Fourth Proportional to 18,410.28, 27,620.07 and 5,263.77

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Solution

The fourth proportional to 18,410.28, 27,620.07 and 5,263.77 is: 7,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.28 : 27,620.07 = 5,263.77 : x
  2. Step 2: Convert to fraction form
    18,410.28/27,620.07 = 5,263.77/x
  3. Step 3: Cross multiply
    18,410.28x = 27,620.07 × 5,263.77
  4. Step 4: Simplify right side
    18,410.28x = 145,385,695.86
  5. Step 5: Solve for x
    x = 145,385,695.86/18,410.28
  6. Step 6: Final answer
    x = 7,896.98

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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.