Home / 19,328.82-26,673.33-11,369.30

Finding the Fourth Proportional to 19,328.82, 26,673.33 and 11,369.30

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Solution

The fourth proportional to 19,328.82, 26,673.33 and 11,369.30 is: 15,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.82 : 26,673.33 = 11,369.30 : x
  2. Step 2: Convert to fraction form
    19,328.82/26,673.33 = 11,369.30/x
  3. Step 3: Cross multiply
    19,328.82x = 26,673.33 × 11,369.30
  4. Step 4: Simplify right side
    19,328.82x = 303,257,090.77
  5. Step 5: Solve for x
    x = 303,257,090.77/19,328.82
  6. Step 6: Final answer
    x = 15,689.37

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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.