Home / 12,071.43-18,100.44-6,144.63

Finding the Fourth Proportional to 12,071.43, 18,100.44 and 6,144.63

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Solution

The fourth proportional to 12,071.43, 18,100.44 and 6,144.63 is: 9,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.43 : 18,100.44 = 6,144.63 : x
  2. Step 2: Convert to fraction form
    12,071.43/18,100.44 = 6,144.63/x
  3. Step 3: Cross multiply
    12,071.43x = 18,100.44 × 6,144.63
  4. Step 4: Simplify right side
    12,071.43x = 111,220,506.64
  5. Step 5: Solve for x
    x = 111,220,506.64/12,071.43
  6. Step 6: Final answer
    x = 9,213.53

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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.