Home / 16,815.86-25,219.73-7,450.70

Finding the Fourth Proportional to 16,815.86, 25,219.73 and 7,450.70

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Solution

The fourth proportional to 16,815.86, 25,219.73 and 7,450.70 is: 11,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.86 : 25,219.73 = 7,450.70 : x
  2. Step 2: Convert to fraction form
    16,815.86/25,219.73 = 7,450.70/x
  3. Step 3: Cross multiply
    16,815.86x = 25,219.73 × 7,450.70
  4. Step 4: Simplify right side
    16,815.86x = 187,904,642.31
  5. Step 5: Solve for x
    x = 187,904,642.31/16,815.86
  6. Step 6: Final answer
    x = 11,174.25

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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.