Home / 14,115.64-21,176.67-4,755.35

Finding the Fourth Proportional to 14,115.64, 21,176.67 and 4,755.35

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Solution

The fourth proportional to 14,115.64, 21,176.67 and 4,755.35 is: 7,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.64 : 21,176.67 = 4,755.35 : x
  2. Step 2: Convert to fraction form
    14,115.64/21,176.67 = 4,755.35/x
  3. Step 3: Cross multiply
    14,115.64x = 21,176.67 × 4,755.35
  4. Step 4: Simplify right side
    14,115.64x = 100,702,477.68
  5. Step 5: Solve for x
    x = 100,702,477.68/14,115.64
  6. Step 6: Final answer
    x = 7,134.11

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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.