Home / 14,130.52-21,196.32-3,742

Finding the Fourth Proportional to 14,130.52, 21,196.32 and 3,742

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Solution

The fourth proportional to 14,130.52, 21,196.32 and 3,742 is: 5,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.52 : 21,196.32 = 3,742 : x
  2. Step 2: Convert to fraction form
    14,130.52/21,196.32 = 3,742/x
  3. Step 3: Cross multiply
    14,130.52x = 21,196.32 × 3,742
  4. Step 4: Simplify right side
    14,130.52x = 79,316,629.44
  5. Step 5: Solve for x
    x = 79,316,629.44/14,130.52
  6. Step 6: Final answer
    x = 5,613.14

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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.