Home / 18,790.56-28,196.64-7,698.96

Finding the Fourth Proportional to 18,790.56, 28,196.64 and 7,698.96

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Solution

The fourth proportional to 18,790.56, 28,196.64 and 7,698.96 is: 11,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.56 : 28,196.64 = 7,698.96 : x
  2. Step 2: Convert to fraction form
    18,790.56/28,196.64 = 7,698.96/x
  3. Step 3: Cross multiply
    18,790.56x = 28,196.64 × 7,698.96
  4. Step 4: Simplify right side
    18,790.56x = 217,084,803.49
  5. Step 5: Solve for x
    x = 217,084,803.49/18,790.56
  6. Step 6: Final answer
    x = 11,552.87

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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.