Home / 9,977.05-13,766.48-6,392.65

Finding the Fourth Proportional to 9,977.05, 13,766.48 and 6,392.65

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Solution

The fourth proportional to 9,977.05, 13,766.48 and 6,392.65 is: 8,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.05 : 13,766.48 = 6,392.65 : x
  2. Step 2: Convert to fraction form
    9,977.05/13,766.48 = 6,392.65/x
  3. Step 3: Cross multiply
    9,977.05x = 13,766.48 × 6,392.65
  4. Step 4: Simplify right side
    9,977.05x = 88,004,251.04
  5. Step 5: Solve for x
    x = 88,004,251.04/9,977.05
  6. Step 6: Final answer
    x = 8,820.67

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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.