Home / 16,790.45-25,186.58-5,102.78

Finding the Fourth Proportional to 16,790.45, 25,186.58 and 5,102.78

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Solution

The fourth proportional to 16,790.45, 25,186.58 and 5,102.78 is: 7,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.45 : 25,186.58 = 5,102.78 : x
  2. Step 2: Convert to fraction form
    16,790.45/25,186.58 = 5,102.78/x
  3. Step 3: Cross multiply
    16,790.45x = 25,186.58 × 5,102.78
  4. Step 4: Simplify right side
    16,790.45x = 128,521,551.18
  5. Step 5: Solve for x
    x = 128,521,551.18/16,790.45
  6. Step 6: Final answer
    x = 7,654.44

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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.