Home / 12,219.26-16,862.51-6,630.26

Finding the Fourth Proportional to 12,219.26, 16,862.51 and 6,630.26

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Solution

The fourth proportional to 12,219.26, 16,862.51 and 6,630.26 is: 9,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.26 : 16,862.51 = 6,630.26 : x
  2. Step 2: Convert to fraction form
    12,219.26/16,862.51 = 6,630.26/x
  3. Step 3: Cross multiply
    12,219.26x = 16,862.51 × 6,630.26
  4. Step 4: Simplify right side
    12,219.26x = 111,802,757.82
  5. Step 5: Solve for x
    x = 111,802,757.82/12,219.26
  6. Step 6: Final answer
    x = 9,149.72

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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.