Home / 16,898.05-25,338.39-9,879.61

Finding the Fourth Proportional to 16,898.05, 25,338.39 and 9,879.61

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Solution

The fourth proportional to 16,898.05, 25,338.39 and 9,879.61 is: 14,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.05 : 25,338.39 = 9,879.61 : x
  2. Step 2: Convert to fraction form
    16,898.05/25,338.39 = 9,879.61/x
  3. Step 3: Cross multiply
    16,898.05x = 25,338.39 × 9,879.61
  4. Step 4: Simplify right side
    16,898.05x = 250,333,411.23
  5. Step 5: Solve for x
    x = 250,333,411.23/16,898.05
  6. Step 6: Final answer
    x = 14,814.34

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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.