Home / 16,879.40-25,323.44-6,488.36

Finding the Fourth Proportional to 16,879.40, 25,323.44 and 6,488.36

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Solution

The fourth proportional to 16,879.40, 25,323.44 and 6,488.36 is: 9,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.40 : 25,323.44 = 6,488.36 : x
  2. Step 2: Convert to fraction form
    16,879.40/25,323.44 = 6,488.36/x
  3. Step 3: Cross multiply
    16,879.40x = 25,323.44 × 6,488.36
  4. Step 4: Simplify right side
    16,879.40x = 164,307,595.16
  5. Step 5: Solve for x
    x = 164,307,595.16/16,879.40
  6. Step 6: Final answer
    x = 9,734.21

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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.