Home / 12,217.23-16,859.75-6,628.23

Finding the Fourth Proportional to 12,217.23, 16,859.75 and 6,628.23

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Solution

The fourth proportional to 12,217.23, 16,859.75 and 6,628.23 is: 9,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.23 : 16,859.75 = 6,628.23 : x
  2. Step 2: Convert to fraction form
    12,217.23/16,859.75 = 6,628.23/x
  3. Step 3: Cross multiply
    12,217.23x = 16,859.75 × 6,628.23
  4. Step 4: Simplify right side
    12,217.23x = 111,750,267.60
  5. Step 5: Solve for x
    x = 111,750,267.60/12,217.23
  6. Step 6: Final answer
    x = 9,146.94

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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.