Home / 11,243.51-16,862.18-4,222.98

Finding the Fourth Proportional to 11,243.51, 16,862.18 and 4,222.98

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Solution

The fourth proportional to 11,243.51, 16,862.18 and 4,222.98 is: 6,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.51 : 16,862.18 = 4,222.98 : x
  2. Step 2: Convert to fraction form
    11,243.51/16,862.18 = 4,222.98/x
  3. Step 3: Cross multiply
    11,243.51x = 16,862.18 × 4,222.98
  4. Step 4: Simplify right side
    11,243.51x = 71,208,659.45
  5. Step 5: Solve for x
    x = 71,208,659.45/11,243.51
  6. Step 6: Final answer
    x = 6,333.32

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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.