Home / 12,219.27-16,862.60-6,630.27

Finding the Fourth Proportional to 12,219.27, 16,862.60 and 6,630.27

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Solution

The fourth proportional to 12,219.27, 16,862.60 and 6,630.27 is: 9,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.27 : 16,862.60 = 6,630.27 : x
  2. Step 2: Convert to fraction form
    12,219.27/16,862.60 = 6,630.27/x
  3. Step 3: Cross multiply
    12,219.27x = 16,862.60 × 6,630.27
  4. Step 4: Simplify right side
    12,219.27x = 111,803,473.44
  5. Step 5: Solve for x
    x = 111,803,473.44/12,219.27
  6. Step 6: Final answer
    x = 9,149.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.