Home / 14,056.92-21,104.82-7,136.28

Finding the Fourth Proportional to 14,056.92, 21,104.82 and 7,136.28

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Solution

The fourth proportional to 14,056.92, 21,104.82 and 7,136.28 is: 10,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.92 : 21,104.82 = 7,136.28 : x
  2. Step 2: Convert to fraction form
    14,056.92/21,104.82 = 7,136.28/x
  3. Step 3: Cross multiply
    14,056.92x = 21,104.82 × 7,136.28
  4. Step 4: Simplify right side
    14,056.92x = 150,609,904.87
  5. Step 5: Solve for x
    x = 150,609,904.87/14,056.92
  6. Step 6: Final answer
    x = 10,714.29

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1.5x scale

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.