Home / 13,371.35-18,452.73-7,999.32

Finding the Fourth Proportional to 13,371.35, 18,452.73 and 7,999.32

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Solution

The fourth proportional to 13,371.35, 18,452.73 and 7,999.32 is: 11,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.35 : 18,452.73 = 7,999.32 : x
  2. Step 2: Convert to fraction form
    13,371.35/18,452.73 = 7,999.32/x
  3. Step 3: Cross multiply
    13,371.35x = 18,452.73 × 7,999.32
  4. Step 4: Simplify right side
    13,371.35x = 147,609,346.34
  5. Step 5: Solve for x
    x = 147,609,346.34/13,371.35
  6. Step 6: Final answer
    x = 11,039.23

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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.