Home / 8,724.15-13,072.26-8,493.51

Finding the Fourth Proportional to 8,724.15, 13,072.26 and 8,493.51

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Solution

The fourth proportional to 8,724.15, 13,072.26 and 8,493.51 is: 12,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.15 : 13,072.26 = 8,493.51 : x
  2. Step 2: Convert to fraction form
    8,724.15/13,072.26 = 8,493.51/x
  3. Step 3: Cross multiply
    8,724.15x = 13,072.26 × 8,493.51
  4. Step 4: Simplify right side
    8,724.15x = 111,029,371.03
  5. Step 5: Solve for x
    x = 111,029,371.03/8,724.15
  6. Step 6: Final answer
    x = 12,726.67

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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.