Home / 19,909.74-29,858.54-6,759.19

Finding the Fourth Proportional to 19,909.74, 29,858.54 and 6,759.19

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Solution

The fourth proportional to 19,909.74, 29,858.54 and 6,759.19 is: 10,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.74 : 29,858.54 = 6,759.19 : x
  2. Step 2: Convert to fraction form
    19,909.74/29,858.54 = 6,759.19/x
  3. Step 3: Cross multiply
    19,909.74x = 29,858.54 × 6,759.19
  4. Step 4: Simplify right side
    19,909.74x = 201,819,436.54
  5. Step 5: Solve for x
    x = 201,819,436.54/19,909.74
  6. Step 6: Final answer
    x = 10,136.72

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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.