Home / 12,133.37-18,200.05-6,935.60

Finding the Fourth Proportional to 12,133.37, 18,200.05 and 6,935.60

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Solution

The fourth proportional to 12,133.37, 18,200.05 and 6,935.60 is: 10,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.37 : 18,200.05 = 6,935.60 : x
  2. Step 2: Convert to fraction form
    12,133.37/18,200.05 = 6,935.60/x
  3. Step 3: Cross multiply
    12,133.37x = 18,200.05 × 6,935.60
  4. Step 4: Simplify right side
    12,133.37x = 126,228,266.78
  5. Step 5: Solve for x
    x = 126,228,266.78/12,133.37
  6. Step 6: Final answer
    x = 10,403.40

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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.