Home / 12,133.96-18,195.72-4,737.04

Finding the Fourth Proportional to 12,133.96, 18,195.72 and 4,737.04

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Solution

The fourth proportional to 12,133.96, 18,195.72 and 4,737.04 is: 7,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.96 : 18,195.72 = 4,737.04 : x
  2. Step 2: Convert to fraction form
    12,133.96/18,195.72 = 4,737.04/x
  3. Step 3: Cross multiply
    12,133.96x = 18,195.72 × 4,737.04
  4. Step 4: Simplify right side
    12,133.96x = 86,193,853.47
  5. Step 5: Solve for x
    x = 86,193,853.47/12,133.96
  6. Step 6: Final answer
    x = 7,103.52

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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.