Home / 12,726.51-19,089.48-4,406.03

Finding the Fourth Proportional to 12,726.51, 19,089.48 and 4,406.03

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Solution

The fourth proportional to 12,726.51, 19,089.48 and 4,406.03 is: 6,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.51 : 19,089.48 = 4,406.03 : x
  2. Step 2: Convert to fraction form
    12,726.51/19,089.48 = 4,406.03/x
  3. Step 3: Cross multiply
    12,726.51x = 19,089.48 × 4,406.03
  4. Step 4: Simplify right side
    12,726.51x = 84,108,726.12
  5. Step 5: Solve for x
    x = 84,108,726.12/12,726.51
  6. Step 6: Final answer
    x = 6,608.94

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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.