Home / 12,971.26-19,444.38-4,200.22

Finding the Fourth Proportional to 12,971.26, 19,444.38 and 4,200.22

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Solution

The fourth proportional to 12,971.26, 19,444.38 and 4,200.22 is: 6,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.26 : 19,444.38 = 4,200.22 : x
  2. Step 2: Convert to fraction form
    12,971.26/19,444.38 = 4,200.22/x
  3. Step 3: Cross multiply
    12,971.26x = 19,444.38 × 4,200.22
  4. Step 4: Simplify right side
    12,971.26x = 81,670,673.76
  5. Step 5: Solve for x
    x = 81,670,673.76/12,971.26
  6. Step 6: Final answer
    x = 6,296.28

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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.