Home / 21,293.90-29,369.94-14,110.82

Finding the Fourth Proportional to 21,293.90, 29,369.94 and 14,110.82

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Solution

The fourth proportional to 21,293.90, 29,369.94 and 14,110.82 is: 19,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.90 : 29,369.94 = 14,110.82 : x
  2. Step 2: Convert to fraction form
    21,293.90/29,369.94 = 14,110.82/x
  3. Step 3: Cross multiply
    21,293.90x = 29,369.94 × 14,110.82
  4. Step 4: Simplify right side
    21,293.90x = 414,433,936.75
  5. Step 5: Solve for x
    x = 414,433,936.75/21,293.90
  6. Step 6: Final answer
    x = 19,462.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.