Home / 12,070.06-18,100.64-4,170.56

Finding the Fourth Proportional to 12,070.06, 18,100.64 and 4,170.56

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Solution

The fourth proportional to 12,070.06, 18,100.64 and 4,170.56 is: 6,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.06 : 18,100.64 = 4,170.56 : x
  2. Step 2: Convert to fraction form
    12,070.06/18,100.64 = 4,170.56/x
  3. Step 3: Cross multiply
    12,070.06x = 18,100.64 × 4,170.56
  4. Step 4: Simplify right side
    12,070.06x = 75,489,725.08
  5. Step 5: Solve for x
    x = 75,489,725.08/12,070.06
  6. Step 6: Final answer
    x = 6,254.30

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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.