Home / 12,133.71-18,194.72-4,236.03

Finding the Fourth Proportional to 12,133.71, 18,194.72 and 4,236.03

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Solution

The fourth proportional to 12,133.71, 18,194.72 and 4,236.03 is: 6,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.71 : 18,194.72 = 4,236.03 : x
  2. Step 2: Convert to fraction form
    12,133.71/18,194.72 = 4,236.03/x
  3. Step 3: Cross multiply
    12,133.71x = 18,194.72 × 4,236.03
  4. Step 4: Simplify right side
    12,133.71x = 77,073,358.58
  5. Step 5: Solve for x
    x = 77,073,358.58/12,133.71
  6. Step 6: Final answer
    x = 6,352.00

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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.