Home / 12,115.08-18,182.34-6,273.36

Finding the Fourth Proportional to 12,115.08, 18,182.34 and 6,273.36

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Solution

The fourth proportional to 12,115.08, 18,182.34 and 6,273.36 is: 9,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.08 : 18,182.34 = 6,273.36 : x
  2. Step 2: Convert to fraction form
    12,115.08/18,182.34 = 6,273.36/x
  3. Step 3: Cross multiply
    12,115.08x = 18,182.34 × 6,273.36
  4. Step 4: Simplify right side
    12,115.08x = 114,064,364.46
  5. Step 5: Solve for x
    x = 114,064,364.46/12,115.08
  6. Step 6: Final answer
    x = 9,415.07

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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.