Home / 9,645.19-14,469.59-4,380.57

Finding the Fourth Proportional to 9,645.19, 14,469.59 and 4,380.57

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Solution

The fourth proportional to 9,645.19, 14,469.59 and 4,380.57 is: 6,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.19 : 14,469.59 = 4,380.57 : x
  2. Step 2: Convert to fraction form
    9,645.19/14,469.59 = 4,380.57/x
  3. Step 3: Cross multiply
    9,645.19x = 14,469.59 × 4,380.57
  4. Step 4: Simplify right side
    9,645.19x = 63,385,051.87
  5. Step 5: Solve for x
    x = 63,385,051.87/9,645.19
  6. Step 6: Final answer
    x = 6,571.67

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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.