Home / 13,341.44-18,409.92-7,751.36

Finding the Fourth Proportional to 13,341.44, 18,409.92 and 7,751.36

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Solution

The fourth proportional to 13,341.44, 18,409.92 and 7,751.36 is: 10,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.44 : 18,409.92 = 7,751.36 : x
  2. Step 2: Convert to fraction form
    13,341.44/18,409.92 = 7,751.36/x
  3. Step 3: Cross multiply
    13,341.44x = 18,409.92 × 7,751.36
  4. Step 4: Simplify right side
    13,341.44x = 142,701,917.49
  5. Step 5: Solve for x
    x = 142,701,917.49/13,341.44
  6. Step 6: Final answer
    x = 10,696.14

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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.