Home / 12,252.86-18,385.37-4,857.16

Finding the Fourth Proportional to 12,252.86, 18,385.37 and 4,857.16

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Solution

The fourth proportional to 12,252.86, 18,385.37 and 4,857.16 is: 7,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.86 : 18,385.37 = 4,857.16 : x
  2. Step 2: Convert to fraction form
    12,252.86/18,385.37 = 4,857.16/x
  3. Step 3: Cross multiply
    12,252.86x = 18,385.37 × 4,857.16
  4. Step 4: Simplify right side
    12,252.86x = 89,300,683.75
  5. Step 5: Solve for x
    x = 89,300,683.75/12,252.86
  6. Step 6: Final answer
    x = 7,288.15

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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.