Home / 19,299.68-26,636.16-10,916

Finding the Fourth Proportional to 19,299.68, 26,636.16 and 10,916

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Solution

The fourth proportional to 19,299.68, 26,636.16 and 10,916 is: 15,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.68 : 26,636.16 = 10,916 : x
  2. Step 2: Convert to fraction form
    19,299.68/26,636.16 = 10,916/x
  3. Step 3: Cross multiply
    19,299.68x = 26,636.16 × 10,916
  4. Step 4: Simplify right side
    19,299.68x = 290,760,322.56
  5. Step 5: Solve for x
    x = 290,760,322.56/19,299.68
  6. Step 6: Final answer
    x = 15,065.55

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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.