Home / 19,617.39-29,361.78-10,719.09

Finding the Fourth Proportional to 19,617.39, 29,361.78 and 10,719.09

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Solution

The fourth proportional to 19,617.39, 29,361.78 and 10,719.09 is: 16,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.39 : 29,361.78 = 10,719.09 : x
  2. Step 2: Convert to fraction form
    19,617.39/29,361.78 = 10,719.09/x
  3. Step 3: Cross multiply
    19,617.39x = 29,361.78 × 10,719.09
  4. Step 4: Simplify right side
    19,617.39x = 314,731,562.38
  5. Step 5: Solve for x
    x = 314,731,562.38/19,617.39
  6. Step 6: Final answer
    x = 16,043.50

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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.