Home / 19,876.45-29,812.84-6,727.31

Finding the Fourth Proportional to 19,876.45, 29,812.84 and 6,727.31

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Solution

The fourth proportional to 19,876.45, 29,812.84 and 6,727.31 is: 10,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.45 : 29,812.84 = 6,727.31 : x
  2. Step 2: Convert to fraction form
    19,876.45/29,812.84 = 6,727.31/x
  3. Step 3: Cross multiply
    19,876.45x = 29,812.84 × 6,727.31
  4. Step 4: Simplify right side
    19,876.45x = 200,560,216.66
  5. Step 5: Solve for x
    x = 200,560,216.66/19,876.45
  6. Step 6: Final answer
    x = 10,090.34

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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.