Home / 8,975.56-13,442.44-8,664.16

Finding the Fourth Proportional to 8,975.56, 13,442.44 and 8,664.16

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Solution

The fourth proportional to 8,975.56, 13,442.44 and 8,664.16 is: 12,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.56 : 13,442.44 = 8,664.16 : x
  2. Step 2: Convert to fraction form
    8,975.56/13,442.44 = 8,664.16/x
  3. Step 3: Cross multiply
    8,975.56x = 13,442.44 × 8,664.16
  4. Step 4: Simplify right side
    8,975.56x = 116,467,450.95
  5. Step 5: Solve for x
    x = 116,467,450.95/8,975.56
  6. Step 6: Final answer
    x = 12,976.07

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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.