Home / 16,709.85-25,015.57-12,346.79

Finding the Fourth Proportional to 16,709.85, 25,015.57 and 12,346.79

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Solution

The fourth proportional to 16,709.85, 25,015.57 and 12,346.79 is: 18,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.85 : 25,015.57 = 12,346.79 : x
  2. Step 2: Convert to fraction form
    16,709.85/25,015.57 = 12,346.79/x
  3. Step 3: Cross multiply
    16,709.85x = 25,015.57 × 12,346.79
  4. Step 4: Simplify right side
    16,709.85x = 308,861,833.58
  5. Step 5: Solve for x
    x = 308,861,833.58/16,709.85
  6. Step 6: Final answer
    x = 18,483.82

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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.