Home / 14,530.88-21,796.32-4,142.63

Finding the Fourth Proportional to 14,530.88, 21,796.32 and 4,142.63

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Solution

The fourth proportional to 14,530.88, 21,796.32 and 4,142.63 is: 6,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.88 : 21,796.32 = 4,142.63 : x
  2. Step 2: Convert to fraction form
    14,530.88/21,796.32 = 4,142.63/x
  3. Step 3: Cross multiply
    14,530.88x = 21,796.32 × 4,142.63
  4. Step 4: Simplify right side
    14,530.88x = 90,293,980.14
  5. Step 5: Solve for x
    x = 90,293,980.14/14,530.88
  6. Step 6: Final answer
    x = 6,213.94

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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.