Home / 12,171.03-18,259.20-3,737.58

Finding the Fourth Proportional to 12,171.03, 18,259.20 and 3,737.58

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Solution

The fourth proportional to 12,171.03, 18,259.20 and 3,737.58 is: 5,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.03 : 18,259.20 = 3,737.58 : x
  2. Step 2: Convert to fraction form
    12,171.03/18,259.20 = 3,737.58/x
  3. Step 3: Cross multiply
    12,171.03x = 18,259.20 × 3,737.58
  4. Step 4: Simplify right side
    12,171.03x = 68,245,220.74
  5. Step 5: Solve for x
    x = 68,245,220.74/12,171.03
  6. Step 6: Final answer
    x = 5,607.19

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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.