Home / 12,237.06-18,358.53-3,803.30

Finding the Fourth Proportional to 12,237.06, 18,358.53 and 3,803.30

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Solution

The fourth proportional to 12,237.06, 18,358.53 and 3,803.30 is: 5,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.06 : 18,358.53 = 3,803.30 : x
  2. Step 2: Convert to fraction form
    12,237.06/18,358.53 = 3,803.30/x
  3. Step 3: Cross multiply
    12,237.06x = 18,358.53 × 3,803.30
  4. Step 4: Simplify right side
    12,237.06x = 69,822,997.15
  5. Step 5: Solve for x
    x = 69,822,997.15/12,237.06
  6. Step 6: Final answer
    x = 5,705.86

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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.