Home / 12,957.24-19,436.46-4,192.84

Finding the Fourth Proportional to 12,957.24, 19,436.46 and 4,192.84

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Solution

The fourth proportional to 12,957.24, 19,436.46 and 4,192.84 is: 6,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.24 : 19,436.46 = 4,192.84 : x
  2. Step 2: Convert to fraction form
    12,957.24/19,436.46 = 4,192.84/x
  3. Step 3: Cross multiply
    12,957.24x = 19,436.46 × 4,192.84
  4. Step 4: Simplify right side
    12,957.24x = 81,493,966.95
  5. Step 5: Solve for x
    x = 81,493,966.95/12,957.24
  6. Step 6: Final answer
    x = 6,289.45

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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.