Home / 11,340.44-15,645.42-8,363.36

Finding the Fourth Proportional to 11,340.44, 15,645.42 and 8,363.36

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Solution

The fourth proportional to 11,340.44, 15,645.42 and 8,363.36 is: 11,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.44 : 15,645.42 = 8,363.36 : x
  2. Step 2: Convert to fraction form
    11,340.44/15,645.42 = 8,363.36/x
  3. Step 3: Cross multiply
    11,340.44x = 15,645.42 × 8,363.36
  4. Step 4: Simplify right side
    11,340.44x = 130,848,279.81
  5. Step 5: Solve for x
    x = 130,848,279.81/11,340.44
  6. Step 6: Final answer
    x = 11,538.20

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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.