Home / 14,061.19-21,083.80-5,731.45

Finding the Fourth Proportional to 14,061.19, 21,083.80 and 5,731.45

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Solution

The fourth proportional to 14,061.19, 21,083.80 and 5,731.45 is: 8,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.19 : 21,083.80 = 5,731.45 : x
  2. Step 2: Convert to fraction form
    14,061.19/21,083.80 = 5,731.45/x
  3. Step 3: Cross multiply
    14,061.19x = 21,083.80 × 5,731.45
  4. Step 4: Simplify right side
    14,061.19x = 120,840,745.51
  5. Step 5: Solve for x
    x = 120,840,745.51/14,061.19
  6. Step 6: Final answer
    x = 8,593.92

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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.