Home / 13,205.65-19,808.58-4,440.44

Finding the Fourth Proportional to 13,205.65, 19,808.58 and 4,440.44

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Solution

The fourth proportional to 13,205.65, 19,808.58 and 4,440.44 is: 6,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.65 : 19,808.58 = 4,440.44 : x
  2. Step 2: Convert to fraction form
    13,205.65/19,808.58 = 4,440.44/x
  3. Step 3: Cross multiply
    13,205.65x = 19,808.58 × 4,440.44
  4. Step 4: Simplify right side
    13,205.65x = 87,958,728.26
  5. Step 5: Solve for x
    x = 87,958,728.26/13,205.65
  6. Step 6: Final answer
    x = 6,660.69

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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.