Home / 11,414.28-15,751.35-6,698.46

Finding the Fourth Proportional to 11,414.28, 15,751.35 and 6,698.46

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Solution

The fourth proportional to 11,414.28, 15,751.35 and 6,698.46 is: 9,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.28 : 15,751.35 = 6,698.46 : x
  2. Step 2: Convert to fraction form
    11,414.28/15,751.35 = 6,698.46/x
  3. Step 3: Cross multiply
    11,414.28x = 15,751.35 × 6,698.46
  4. Step 4: Simplify right side
    11,414.28x = 105,509,787.92
  5. Step 5: Solve for x
    x = 105,509,787.92/11,414.28
  6. Step 6: Final answer
    x = 9,243.67

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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.