Home / 13,354.26-18,428.97-7,386.33

Finding the Fourth Proportional to 13,354.26, 18,428.97 and 7,386.33

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Solution

The fourth proportional to 13,354.26, 18,428.97 and 7,386.33 is: 10,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.26 : 18,428.97 = 7,386.33 : x
  2. Step 2: Convert to fraction form
    13,354.26/18,428.97 = 7,386.33/x
  3. Step 3: Cross multiply
    13,354.26x = 18,428.97 × 7,386.33
  4. Step 4: Simplify right side
    13,354.26x = 136,122,453.98
  5. Step 5: Solve for x
    x = 136,122,453.98/13,354.26
  6. Step 6: Final answer
    x = 10,193.19

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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.