Home / 12,698.36-19,048.80-4,377.29

Finding the Fourth Proportional to 12,698.36, 19,048.80 and 4,377.29

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Solution

The fourth proportional to 12,698.36, 19,048.80 and 4,377.29 is: 6,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.36 : 19,048.80 = 4,377.29 : x
  2. Step 2: Convert to fraction form
    12,698.36/19,048.80 = 4,377.29/x
  3. Step 3: Cross multiply
    12,698.36x = 19,048.80 × 4,377.29
  4. Step 4: Simplify right side
    12,698.36x = 83,382,018.30
  5. Step 5: Solve for x
    x = 83,382,018.30/12,698.36
  6. Step 6: Final answer
    x = 6,566.36

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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.