Home / 13,046.07-19,571.94-4,280.65

Finding the Fourth Proportional to 13,046.07, 19,571.94 and 4,280.65

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Solution

The fourth proportional to 13,046.07, 19,571.94 and 4,280.65 is: 6,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.07 : 19,571.94 = 4,280.65 : x
  2. Step 2: Convert to fraction form
    13,046.07/19,571.94 = 4,280.65/x
  3. Step 3: Cross multiply
    13,046.07x = 19,571.94 × 4,280.65
  4. Step 4: Simplify right side
    13,046.07x = 83,780,624.96
  5. Step 5: Solve for x
    x = 83,780,624.96/13,046.07
  6. Step 6: Final answer
    x = 6,421.91

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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.