Home / 14,090.49-21,136.12-4,229.77

Finding the Fourth Proportional to 14,090.49, 21,136.12 and 4,229.77

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Solution

The fourth proportional to 14,090.49, 21,136.12 and 4,229.77 is: 6,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.49 : 21,136.12 = 4,229.77 : x
  2. Step 2: Convert to fraction form
    14,090.49/21,136.12 = 4,229.77/x
  3. Step 3: Cross multiply
    14,090.49x = 21,136.12 × 4,229.77
  4. Step 4: Simplify right side
    14,090.49x = 89,400,926.29
  5. Step 5: Solve for x
    x = 89,400,926.29/14,090.49
  6. Step 6: Final answer
    x = 6,344.77

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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.