Home / 16,856.46-25,260.59-12,379.01

Finding the Fourth Proportional to 16,856.46, 25,260.59 and 12,379.01

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Solution

The fourth proportional to 16,856.46, 25,260.59 and 12,379.01 is: 18,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.46 : 25,260.59 = 12,379.01 : x
  2. Step 2: Convert to fraction form
    16,856.46/25,260.59 = 12,379.01/x
  3. Step 3: Cross multiply
    16,856.46x = 25,260.59 × 12,379.01
  4. Step 4: Simplify right side
    16,856.46x = 312,701,000.86
  5. Step 5: Solve for x
    x = 312,701,000.86/16,856.46
  6. Step 6: Final answer
    x = 18,550.81

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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.