Home / 11,450.02-15,800.75-6,414.45

Finding the Fourth Proportional to 11,450.02, 15,800.75 and 6,414.45

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Solution

The fourth proportional to 11,450.02, 15,800.75 and 6,414.45 is: 8,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.02 : 15,800.75 = 6,414.45 : x
  2. Step 2: Convert to fraction form
    11,450.02/15,800.75 = 6,414.45/x
  3. Step 3: Cross multiply
    11,450.02x = 15,800.75 × 6,414.45
  4. Step 4: Simplify right side
    11,450.02x = 101,353,112.82
  5. Step 5: Solve for x
    x = 101,353,112.82/11,450.02
  6. Step 6: Final answer
    x = 8,851.79

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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.