Home / 19,853.16-29,715.75-10,954.50

Finding the Fourth Proportional to 19,853.16, 29,715.75 and 10,954.50

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Solution

The fourth proportional to 19,853.16, 29,715.75 and 10,954.50 is: 16,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.16 : 29,715.75 = 10,954.50 : x
  2. Step 2: Convert to fraction form
    19,853.16/29,715.75 = 10,954.50/x
  3. Step 3: Cross multiply
    19,853.16x = 29,715.75 × 10,954.50
  4. Step 4: Simplify right side
    19,853.16x = 325,521,183.38
  5. Step 5: Solve for x
    x = 325,521,183.38/19,853.16
  6. Step 6: Final answer
    x = 16,396.44

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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.