Home / 19,297.85-26,636.03-10,919.21

Finding the Fourth Proportional to 19,297.85, 26,636.03 and 10,919.21

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Solution

The fourth proportional to 19,297.85, 26,636.03 and 10,919.21 is: 15,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.85 : 26,636.03 = 10,919.21 : x
  2. Step 2: Convert to fraction form
    19,297.85/26,636.03 = 10,919.21/x
  3. Step 3: Cross multiply
    19,297.85x = 26,636.03 × 10,919.21
  4. Step 4: Simplify right side
    19,297.85x = 290,844,299.25
  5. Step 5: Solve for x
    x = 290,844,299.25/19,297.85
  6. Step 6: Final answer
    x = 15,071.34

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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.