Home / 12,102.08-18,143.52-4,706.24

Finding the Fourth Proportional to 12,102.08, 18,143.52 and 4,706.24

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Solution

The fourth proportional to 12,102.08, 18,143.52 and 4,706.24 is: 7,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.08 : 18,143.52 = 4,706.24 : x
  2. Step 2: Convert to fraction form
    12,102.08/18,143.52 = 4,706.24/x
  3. Step 3: Cross multiply
    12,102.08x = 18,143.52 × 4,706.24
  4. Step 4: Simplify right side
    12,102.08x = 85,387,759.56
  5. Step 5: Solve for x
    x = 85,387,759.56/12,102.08
  6. Step 6: Final answer
    x = 7,055.63

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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.