Home / 12,173.24-18,289.02-7,799.24

Finding the Fourth Proportional to 12,173.24, 18,289.02 and 7,799.24

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Solution

The fourth proportional to 12,173.24, 18,289.02 and 7,799.24 is: 11,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.24 : 18,289.02 = 7,799.24 : x
  2. Step 2: Convert to fraction form
    12,173.24/18,289.02 = 7,799.24/x
  3. Step 3: Cross multiply
    12,173.24x = 18,289.02 × 7,799.24
  4. Step 4: Simplify right side
    12,173.24x = 142,640,364.90
  5. Step 5: Solve for x
    x = 142,640,364.90/12,173.24
  6. Step 6: Final answer
    x = 11,717.54

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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.