Home / 12,516.54-18,763.86-6,267.79

Finding the Fourth Proportional to 12,516.54, 18,763.86 and 6,267.79

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Solution

The fourth proportional to 12,516.54, 18,763.86 and 6,267.79 is: 9,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.54 : 18,763.86 = 6,267.79 : x
  2. Step 2: Convert to fraction form
    12,516.54/18,763.86 = 6,267.79/x
  3. Step 3: Cross multiply
    12,516.54x = 18,763.86 × 6,267.79
  4. Step 4: Simplify right side
    12,516.54x = 117,607,981.03
  5. Step 5: Solve for x
    x = 117,607,981.03/12,516.54
  6. Step 6: Final answer
    x = 9,396.21

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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.