Home / 12,102.03-18,153.05-3,339.45

Finding the Fourth Proportional to 12,102.03, 18,153.05 and 3,339.45

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Solution

The fourth proportional to 12,102.03, 18,153.05 and 3,339.45 is: 5,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.03 : 18,153.05 = 3,339.45 : x
  2. Step 2: Convert to fraction form
    12,102.03/18,153.05 = 3,339.45/x
  3. Step 3: Cross multiply
    12,102.03x = 18,153.05 × 3,339.45
  4. Step 4: Simplify right side
    12,102.03x = 60,621,202.82
  5. Step 5: Solve for x
    x = 60,621,202.82/12,102.03
  6. Step 6: Final answer
    x = 5,009.18

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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.