Home / 12,127.32-18,192.06-4,737.96

Finding the Fourth Proportional to 12,127.32, 18,192.06 and 4,737.96

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Solution

The fourth proportional to 12,127.32, 18,192.06 and 4,737.96 is: 7,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.32 : 18,192.06 = 4,737.96 : x
  2. Step 2: Convert to fraction form
    12,127.32/18,192.06 = 4,737.96/x
  3. Step 3: Cross multiply
    12,127.32x = 18,192.06 × 4,737.96
  4. Step 4: Simplify right side
    12,127.32x = 86,193,252.60
  5. Step 5: Solve for x
    x = 86,193,252.60/12,127.32
  6. Step 6: Final answer
    x = 7,107.36

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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.