Home / 11,222.31-15,485.33-6,442.46

Finding the Fourth Proportional to 11,222.31, 15,485.33 and 6,442.46

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Solution

The fourth proportional to 11,222.31, 15,485.33 and 6,442.46 is: 8,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.31 : 15,485.33 = 6,442.46 : x
  2. Step 2: Convert to fraction form
    11,222.31/15,485.33 = 6,442.46/x
  3. Step 3: Cross multiply
    11,222.31x = 15,485.33 × 6,442.46
  4. Step 4: Simplify right side
    11,222.31x = 99,763,696.61
  5. Step 5: Solve for x
    x = 99,763,696.61/11,222.31
  6. Step 6: Final answer
    x = 8,889.76

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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.