Home / 12,222.59-16,868.00-6,917.40

Finding the Fourth Proportional to 12,222.59, 16,868.00 and 6,917.40

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Solution

The fourth proportional to 12,222.59, 16,868.00 and 6,917.40 is: 9,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.59 : 16,868.00 = 6,917.40 : x
  2. Step 2: Convert to fraction form
    12,222.59/16,868.00 = 6,917.40/x
  3. Step 3: Cross multiply
    12,222.59x = 16,868.00 × 6,917.40
  4. Step 4: Simplify right side
    12,222.59x = 116,682,720.49
  5. Step 5: Solve for x
    x = 116,682,720.49/12,222.59
  6. Step 6: Final answer
    x = 9,546.48

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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.