Home / 12,192.05-18,285.34-7,263.09

Finding the Fourth Proportional to 12,192.05, 18,285.34 and 7,263.09

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Solution

The fourth proportional to 12,192.05, 18,285.34 and 7,263.09 is: 10,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.05 : 18,285.34 = 7,263.09 : x
  2. Step 2: Convert to fraction form
    12,192.05/18,285.34 = 7,263.09/x
  3. Step 3: Cross multiply
    12,192.05x = 18,285.34 × 7,263.09
  4. Step 4: Simplify right side
    12,192.05x = 132,808,033.79
  5. Step 5: Solve for x
    x = 132,808,033.79/12,192.05
  6. Step 6: Final answer
    x = 10,893.00

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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.