Home / 12,271.28-18,379.23-5,683.63

Finding the Fourth Proportional to 12,271.28, 18,379.23 and 5,683.63

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Solution

The fourth proportional to 12,271.28, 18,379.23 and 5,683.63 is: 8,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.28 : 18,379.23 = 5,683.63 : x
  2. Step 2: Convert to fraction form
    12,271.28/18,379.23 = 5,683.63/x
  3. Step 3: Cross multiply
    12,271.28x = 18,379.23 × 5,683.63
  4. Step 4: Simplify right side
    12,271.28x = 104,460,743.00
  5. Step 5: Solve for x
    x = 104,460,743.00/12,271.28
  6. Step 6: Final answer
    x = 8,512.62

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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.