Home / 14,136.28-21,204.42-4,776.34

Finding the Fourth Proportional to 14,136.28, 21,204.42 and 4,776.34

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Solution

The fourth proportional to 14,136.28, 21,204.42 and 4,776.34 is: 7,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.28 : 21,204.42 = 4,776.34 : x
  2. Step 2: Convert to fraction form
    14,136.28/21,204.42 = 4,776.34/x
  3. Step 3: Cross multiply
    14,136.28x = 21,204.42 × 4,776.34
  4. Step 4: Simplify right side
    14,136.28x = 101,279,519.42
  5. Step 5: Solve for x
    x = 101,279,519.42/14,136.28
  6. Step 6: Final answer
    x = 7,164.51

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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.