Home / 12,270.36-18,406.16-3,506.57

Finding the Fourth Proportional to 12,270.36, 18,406.16 and 3,506.57

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Solution

The fourth proportional to 12,270.36, 18,406.16 and 3,506.57 is: 5,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.36 : 18,406.16 = 3,506.57 : x
  2. Step 2: Convert to fraction form
    12,270.36/18,406.16 = 3,506.57/x
  3. Step 3: Cross multiply
    12,270.36x = 18,406.16 × 3,506.57
  4. Step 4: Simplify right side
    12,270.36x = 64,542,378.91
  5. Step 5: Solve for x
    x = 64,542,378.91/12,270.36
  6. Step 6: Final answer
    x = 5,260.02

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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.