Home / 20,098.29-30,147.43-6,943.48

Finding the Fourth Proportional to 20,098.29, 30,147.43 and 6,943.48

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Solution

The fourth proportional to 20,098.29, 30,147.43 and 6,943.48 is: 10,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.29 : 30,147.43 = 6,943.48 : x
  2. Step 2: Convert to fraction form
    20,098.29/30,147.43 = 6,943.48/x
  3. Step 3: Cross multiply
    20,098.29x = 30,147.43 × 6,943.48
  4. Step 4: Simplify right side
    20,098.29x = 209,328,077.26
  5. Step 5: Solve for x
    x = 209,328,077.26/20,098.29
  6. Step 6: Final answer
    x = 10,415.22

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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.