Home / 14,073.81-21,089.82-7,825.22

Finding the Fourth Proportional to 14,073.81, 21,089.82 and 7,825.22

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Solution

The fourth proportional to 14,073.81, 21,089.82 and 7,825.22 is: 11,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.81 : 21,089.82 = 7,825.22 : x
  2. Step 2: Convert to fraction form
    14,073.81/21,089.82 = 7,825.22/x
  3. Step 3: Cross multiply
    14,073.81x = 21,089.82 × 7,825.22
  4. Step 4: Simplify right side
    14,073.81x = 165,032,481.26
  5. Step 5: Solve for x
    x = 165,032,481.26/14,073.81
  6. Step 6: Final answer
    x = 11,726.21

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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.