Home / 19,671.85-27,146.35-10,719.41

Finding the Fourth Proportional to 19,671.85, 27,146.35 and 10,719.41

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Solution

The fourth proportional to 19,671.85, 27,146.35 and 10,719.41 is: 14,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.85 : 27,146.35 = 10,719.41 : x
  2. Step 2: Convert to fraction form
    19,671.85/27,146.35 = 10,719.41/x
  3. Step 3: Cross multiply
    19,671.85x = 27,146.35 × 10,719.41
  4. Step 4: Simplify right side
    19,671.85x = 290,992,855.65
  5. Step 5: Solve for x
    x = 290,992,855.65/19,671.85
  6. Step 6: Final answer
    x = 14,792.35

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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.