Home / 12,074.40-18,110.70-6,147.58

Finding the Fourth Proportional to 12,074.40, 18,110.70 and 6,147.58

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Solution

The fourth proportional to 12,074.40, 18,110.70 and 6,147.58 is: 9,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.40 : 18,110.70 = 6,147.58 : x
  2. Step 2: Convert to fraction form
    12,074.40/18,110.70 = 6,147.58/x
  3. Step 3: Cross multiply
    12,074.40x = 18,110.70 × 6,147.58
  4. Step 4: Simplify right side
    12,074.40x = 111,336,897.33
  5. Step 5: Solve for x
    x = 111,336,897.33/12,074.40
  6. Step 6: Final answer
    x = 9,220.90

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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.