Home / 9,959.45-14,939.57-3,385.69

Finding the Fourth Proportional to 9,959.45, 14,939.57 and 3,385.69

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Solution

The fourth proportional to 9,959.45, 14,939.57 and 3,385.69 is: 5,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.45 : 14,939.57 = 3,385.69 : x
  2. Step 2: Convert to fraction form
    9,959.45/14,939.57 = 3,385.69/x
  3. Step 3: Cross multiply
    9,959.45x = 14,939.57 × 3,385.69
  4. Step 4: Simplify right side
    9,959.45x = 50,580,723.87
  5. Step 5: Solve for x
    x = 50,580,723.87/9,959.45
  6. Step 6: Final answer
    x = 5,078.67

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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.