Home / 12,698.64-19,050.48-6,129.36

Finding the Fourth Proportional to 12,698.64, 19,050.48 and 6,129.36

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Solution

The fourth proportional to 12,698.64, 19,050.48 and 6,129.36 is: 9,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.64 : 19,050.48 = 6,129.36 : x
  2. Step 2: Convert to fraction form
    12,698.64/19,050.48 = 6,129.36/x
  3. Step 3: Cross multiply
    12,698.64x = 19,050.48 × 6,129.36
  4. Step 4: Simplify right side
    12,698.64x = 116,767,250.09
  5. Step 5: Solve for x
    x = 116,767,250.09/12,698.64
  6. Step 6: Final answer
    x = 9,195.26

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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.