Home / 12,011.58-18,017.70-3,246.48

Finding the Fourth Proportional to 12,011.58, 18,017.70 and 3,246.48

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Solution

The fourth proportional to 12,011.58, 18,017.70 and 3,246.48 is: 4,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.58 : 18,017.70 = 3,246.48 : x
  2. Step 2: Convert to fraction form
    12,011.58/18,017.70 = 3,246.48/x
  3. Step 3: Cross multiply
    12,011.58x = 18,017.70 × 3,246.48
  4. Step 4: Simplify right side
    12,011.58x = 58,494,102.70
  5. Step 5: Solve for x
    x = 58,494,102.70/12,011.58
  6. Step 6: Final answer
    x = 4,869.81

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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.