Home / 12,091.02-18,122.49-6,900.54

Finding the Fourth Proportional to 12,091.02, 18,122.49 and 6,900.54

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Solution

The fourth proportional to 12,091.02, 18,122.49 and 6,900.54 is: 10,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.02 : 18,122.49 = 6,900.54 : x
  2. Step 2: Convert to fraction form
    12,091.02/18,122.49 = 6,900.54/x
  3. Step 3: Cross multiply
    12,091.02x = 18,122.49 × 6,900.54
  4. Step 4: Simplify right side
    12,091.02x = 125,054,967.14
  5. Step 5: Solve for x
    x = 125,054,967.14/12,091.02
  6. Step 6: Final answer
    x = 10,342.80

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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.