Home / 18,717.15-28,062.72-7,027.23

Finding the Fourth Proportional to 18,717.15, 28,062.72 and 7,027.23

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Solution

The fourth proportional to 18,717.15, 28,062.72 and 7,027.23 is: 10,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.15 : 28,062.72 = 7,027.23 : x
  2. Step 2: Convert to fraction form
    18,717.15/28,062.72 = 7,027.23/x
  3. Step 3: Cross multiply
    18,717.15x = 28,062.72 × 7,027.23
  4. Step 4: Simplify right side
    18,717.15x = 197,203,187.87
  5. Step 5: Solve for x
    x = 197,203,187.87/18,717.15
  6. Step 6: Final answer
    x = 10,535.96

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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.