Home / 13,201.50-19,786.89-5,400.86

Finding the Fourth Proportional to 13,201.50, 19,786.89 and 5,400.86

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Solution

The fourth proportional to 13,201.50, 19,786.89 and 5,400.86 is: 8,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.50 : 19,786.89 = 5,400.86 : x
  2. Step 2: Convert to fraction form
    13,201.50/19,786.89 = 5,400.86/x
  3. Step 3: Cross multiply
    13,201.50x = 19,786.89 × 5,400.86
  4. Step 4: Simplify right side
    13,201.50x = 106,866,222.73
  5. Step 5: Solve for x
    x = 106,866,222.73/13,201.50
  6. Step 6: Final answer
    x = 8,095.01

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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.