Home / 12,828.24-19,224.41-9,705.69

Finding the Fourth Proportional to 12,828.24, 19,224.41 and 9,705.69

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Solution

The fourth proportional to 12,828.24, 19,224.41 and 9,705.69 is: 14,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.24 : 19,224.41 = 9,705.69 : x
  2. Step 2: Convert to fraction form
    12,828.24/19,224.41 = 9,705.69/x
  3. Step 3: Cross multiply
    12,828.24x = 19,224.41 × 9,705.69
  4. Step 4: Simplify right side
    12,828.24x = 186,586,115.36
  5. Step 5: Solve for x
    x = 186,586,115.36/12,828.24
  6. Step 6: Final answer
    x = 14,544.95

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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.