Home / 12,182.24-18,273.36-6,977

Finding the Fourth Proportional to 12,182.24, 18,273.36 and 6,977

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Solution

The fourth proportional to 12,182.24, 18,273.36 and 6,977 is: 10,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.24 : 18,273.36 = 6,977 : x
  2. Step 2: Convert to fraction form
    12,182.24/18,273.36 = 6,977/x
  3. Step 3: Cross multiply
    12,182.24x = 18,273.36 × 6,977
  4. Step 4: Simplify right side
    12,182.24x = 127,493,232.72
  5. Step 5: Solve for x
    x = 127,493,232.72/12,182.24
  6. Step 6: Final answer
    x = 10,465.50

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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.