Home / 19,671.75-27,147.33-10,719.26

Finding the Fourth Proportional to 19,671.75, 27,147.33 and 10,719.26

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Solution

The fourth proportional to 19,671.75, 27,147.33 and 10,719.26 is: 14,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.75 : 27,147.33 = 10,719.26 : x
  2. Step 2: Convert to fraction form
    19,671.75/27,147.33 = 10,719.26/x
  3. Step 3: Cross multiply
    19,671.75x = 27,147.33 × 10,719.26
  4. Step 4: Simplify right side
    19,671.75x = 290,999,288.58
  5. Step 5: Solve for x
    x = 290,999,288.58/19,671.75
  6. Step 6: Final answer
    x = 14,792.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.