Home / 16,935.66-25,394.96-9,917.79

Finding the Fourth Proportional to 16,935.66, 25,394.96 and 9,917.79

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Solution

The fourth proportional to 16,935.66, 25,394.96 and 9,917.79 is: 14,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.66 : 25,394.96 = 9,917.79 : x
  2. Step 2: Convert to fraction form
    16,935.66/25,394.96 = 9,917.79/x
  3. Step 3: Cross multiply
    16,935.66x = 25,394.96 × 9,917.79
  4. Step 4: Simplify right side
    16,935.66x = 251,861,830.75
  5. Step 5: Solve for x
    x = 251,861,830.75/16,935.66
  6. Step 6: Final answer
    x = 14,871.69

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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.