Home / 12,271.44-18,407.46-4,480.26

Finding the Fourth Proportional to 12,271.44, 18,407.46 and 4,480.26

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Solution

The fourth proportional to 12,271.44, 18,407.46 and 4,480.26 is: 6,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.44 : 18,407.46 = 4,480.26 : x
  2. Step 2: Convert to fraction form
    12,271.44/18,407.46 = 4,480.26/x
  3. Step 3: Cross multiply
    12,271.44x = 18,407.46 × 4,480.26
  4. Step 4: Simplify right side
    12,271.44x = 82,470,206.74
  5. Step 5: Solve for x
    x = 82,470,206.74/12,271.44
  6. Step 6: Final answer
    x = 6,720.50

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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.