Home / 12,674.66-19,010.37-5,277.74

Finding the Fourth Proportional to 12,674.66, 19,010.37 and 5,277.74

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Solution

The fourth proportional to 12,674.66, 19,010.37 and 5,277.74 is: 7,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.66 : 19,010.37 = 5,277.74 : x
  2. Step 2: Convert to fraction form
    12,674.66/19,010.37 = 5,277.74/x
  3. Step 3: Cross multiply
    12,674.66x = 19,010.37 × 5,277.74
  4. Step 4: Simplify right side
    12,674.66x = 100,331,790.16
  5. Step 5: Solve for x
    x = 100,331,790.16/12,674.66
  6. Step 6: Final answer
    x = 7,915.94

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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.