Home / 14,136.12-21,203.51-5,814.05

Finding the Fourth Proportional to 14,136.12, 21,203.51 and 5,814.05

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Solution

The fourth proportional to 14,136.12, 21,203.51 and 5,814.05 is: 8,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.12 : 21,203.51 = 5,814.05 : x
  2. Step 2: Convert to fraction form
    14,136.12/21,203.51 = 5,814.05/x
  3. Step 3: Cross multiply
    14,136.12x = 21,203.51 × 5,814.05
  4. Step 4: Simplify right side
    14,136.12x = 123,278,132.23
  5. Step 5: Solve for x
    x = 123,278,132.23/14,136.12
  6. Step 6: Final answer
    x = 8,720.79

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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.