Home / 19,470.75-29,185.26-13,907.21

Finding the Fourth Proportional to 19,470.75, 29,185.26 and 13,907.21

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Solution

The fourth proportional to 19,470.75, 29,185.26 and 13,907.21 is: 20,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.75 : 29,185.26 = 13,907.21 : x
  2. Step 2: Convert to fraction form
    19,470.75/29,185.26 = 13,907.21/x
  3. Step 3: Cross multiply
    19,470.75x = 29,185.26 × 13,907.21
  4. Step 4: Simplify right side
    19,470.75x = 405,885,470.19
  5. Step 5: Solve for x
    x = 405,885,470.19/19,470.75
  6. Step 6: Final answer
    x = 20,845.91

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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.