Home / 16,719.60-25,042.42-6,828.90

Finding the Fourth Proportional to 16,719.60, 25,042.42 and 6,828.90

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Solution

The fourth proportional to 16,719.60, 25,042.42 and 6,828.90 is: 10,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.60 : 25,042.42 = 6,828.90 : x
  2. Step 2: Convert to fraction form
    16,719.60/25,042.42 = 6,828.90/x
  3. Step 3: Cross multiply
    16,719.60x = 25,042.42 × 6,828.90
  4. Step 4: Simplify right side
    16,719.60x = 171,012,181.94
  5. Step 5: Solve for x
    x = 171,012,181.94/16,719.60
  6. Step 6: Final answer
    x = 10,228.25

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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.