Home / 12,957.53-19,436.29-4,192.22

Finding the Fourth Proportional to 12,957.53, 19,436.29 and 4,192.22

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Solution

The fourth proportional to 12,957.53, 19,436.29 and 4,192.22 is: 6,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.53 : 19,436.29 = 4,192.22 : x
  2. Step 2: Convert to fraction form
    12,957.53/19,436.29 = 4,192.22/x
  3. Step 3: Cross multiply
    12,957.53x = 19,436.29 × 4,192.22
  4. Step 4: Simplify right side
    12,957.53x = 81,481,241.77
  5. Step 5: Solve for x
    x = 81,481,241.77/12,957.53
  6. Step 6: Final answer
    x = 6,288.33

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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.