Home / 13,158.21-19,737.29-3,297.47

Finding the Fourth Proportional to 13,158.21, 19,737.29 and 3,297.47

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Solution

The fourth proportional to 13,158.21, 19,737.29 and 3,297.47 is: 4,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.21 : 19,737.29 = 3,297.47 : x
  2. Step 2: Convert to fraction form
    13,158.21/19,737.29 = 3,297.47/x
  3. Step 3: Cross multiply
    13,158.21x = 19,737.29 × 3,297.47
  4. Step 4: Simplify right side
    13,158.21x = 65,083,006.48
  5. Step 5: Solve for x
    x = 65,083,006.48/13,158.21
  6. Step 6: Final answer
    x = 4,946.19

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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.