Home / 20,092.37-30,140.64-6,943.05

Finding the Fourth Proportional to 20,092.37, 30,140.64 and 6,943.05

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Solution

The fourth proportional to 20,092.37, 30,140.64 and 6,943.05 is: 10,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.37 : 30,140.64 = 6,943.05 : x
  2. Step 2: Convert to fraction form
    20,092.37/30,140.64 = 6,943.05/x
  3. Step 3: Cross multiply
    20,092.37x = 30,140.64 × 6,943.05
  4. Step 4: Simplify right side
    20,092.37x = 209,267,970.55
  5. Step 5: Solve for x
    x = 209,267,970.55/20,092.37
  6. Step 6: Final answer
    x = 10,415.30

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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.