Home / 12,065.08-18,093.94-7,133.36

Finding the Fourth Proportional to 12,065.08, 18,093.94 and 7,133.36

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Solution

The fourth proportional to 12,065.08, 18,093.94 and 7,133.36 is: 10,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.08 : 18,093.94 = 7,133.36 : x
  2. Step 2: Convert to fraction form
    12,065.08/18,093.94 = 7,133.36/x
  3. Step 3: Cross multiply
    12,065.08x = 18,093.94 × 7,133.36
  4. Step 4: Simplify right side
    12,065.08x = 129,070,587.84
  5. Step 5: Solve for x
    x = 129,070,587.84/12,065.08
  6. Step 6: Final answer
    x = 10,697.86

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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.