Home / 13,136.39-19,694.56-6,567.20

Finding the Fourth Proportional to 13,136.39, 19,694.56 and 6,567.20

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Solution

The fourth proportional to 13,136.39, 19,694.56 and 6,567.20 is: 9,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.39 : 19,694.56 = 6,567.20 : x
  2. Step 2: Convert to fraction form
    13,136.39/19,694.56 = 6,567.20/x
  3. Step 3: Cross multiply
    13,136.39x = 19,694.56 × 6,567.20
  4. Step 4: Simplify right side
    13,136.39x = 129,338,114.43
  5. Step 5: Solve for x
    x = 129,338,114.43/13,136.39
  6. Step 6: Final answer
    x = 9,845.79

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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.