Home / 14,081-21,126.14-4,725.42

Finding the Fourth Proportional to 14,081, 21,126.14 and 4,725.42

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Solution

The fourth proportional to 14,081, 21,126.14 and 4,725.42 is: 7,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081 : 21,126.14 = 4,725.42 : x
  2. Step 2: Convert to fraction form
    14,081/21,126.14 = 4,725.42/x
  3. Step 3: Cross multiply
    14,081x = 21,126.14 × 4,725.42
  4. Step 4: Simplify right side
    14,081x = 99,829,884.48
  5. Step 5: Solve for x
    x = 99,829,884.48/14,081
  6. Step 6: Final answer
    x = 7,089.69

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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.