Home / 12,450.75-18,670.02-5,436.69

Finding the Fourth Proportional to 12,450.75, 18,670.02 and 5,436.69

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Solution

The fourth proportional to 12,450.75, 18,670.02 and 5,436.69 is: 8,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.75 : 18,670.02 = 5,436.69 : x
  2. Step 2: Convert to fraction form
    12,450.75/18,670.02 = 5,436.69/x
  3. Step 3: Cross multiply
    12,450.75x = 18,670.02 × 5,436.69
  4. Step 4: Simplify right side
    12,450.75x = 101,503,111.03
  5. Step 5: Solve for x
    x = 101,503,111.03/12,450.75
  6. Step 6: Final answer
    x = 8,152.37

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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.