Home / 18,989.34-28,466.73-8,596.86

Finding the Fourth Proportional to 18,989.34, 28,466.73 and 8,596.86

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Solution

The fourth proportional to 18,989.34, 28,466.73 and 8,596.86 is: 12,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.34 : 28,466.73 = 8,596.86 : x
  2. Step 2: Convert to fraction form
    18,989.34/28,466.73 = 8,596.86/x
  3. Step 3: Cross multiply
    18,989.34x = 28,466.73 × 8,596.86
  4. Step 4: Simplify right side
    18,989.34x = 244,724,492.47
  5. Step 5: Solve for x
    x = 244,724,492.47/18,989.34
  6. Step 6: Final answer
    x = 12,887.47

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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.