Home / 16,879.54-25,298.78-12,706.10

Finding the Fourth Proportional to 16,879.54, 25,298.78 and 12,706.10

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Solution

The fourth proportional to 16,879.54, 25,298.78 and 12,706.10 is: 19,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.54 : 25,298.78 = 12,706.10 : x
  2. Step 2: Convert to fraction form
    16,879.54/25,298.78 = 12,706.10/x
  3. Step 3: Cross multiply
    16,879.54x = 25,298.78 × 12,706.10
  4. Step 4: Simplify right side
    16,879.54x = 321,448,828.56
  5. Step 5: Solve for x
    x = 321,448,828.56/16,879.54
  6. Step 6: Final answer
    x = 19,043.70

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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.