Home / 16,917.60-25,376.42-6,384.78

Finding the Fourth Proportional to 16,917.60, 25,376.42 and 6,384.78

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Solution

The fourth proportional to 16,917.60, 25,376.42 and 6,384.78 is: 9,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.60 : 25,376.42 = 6,384.78 : x
  2. Step 2: Convert to fraction form
    16,917.60/25,376.42 = 6,384.78/x
  3. Step 3: Cross multiply
    16,917.60x = 25,376.42 × 6,384.78
  4. Step 4: Simplify right side
    16,917.60x = 162,022,858.89
  5. Step 5: Solve for x
    x = 162,022,858.89/16,917.60
  6. Step 6: Final answer
    x = 9,577.18

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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.