Home / 13,525.58-20,286.48-4,640.77

Finding the Fourth Proportional to 13,525.58, 20,286.48 and 4,640.77

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Solution

The fourth proportional to 13,525.58, 20,286.48 and 4,640.77 is: 6,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.58 : 20,286.48 = 4,640.77 : x
  2. Step 2: Convert to fraction form
    13,525.58/20,286.48 = 4,640.77/x
  3. Step 3: Cross multiply
    13,525.58x = 20,286.48 × 4,640.77
  4. Step 4: Simplify right side
    13,525.58x = 94,144,786.36
  5. Step 5: Solve for x
    x = 94,144,786.36/13,525.58
  6. Step 6: Final answer
    x = 6,960.50

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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.