Home / 13,373.36-18,455.44-7,323.50

Finding the Fourth Proportional to 13,373.36, 18,455.44 and 7,323.50

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Solution

The fourth proportional to 13,373.36, 18,455.44 and 7,323.50 is: 10,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.36 : 18,455.44 = 7,323.50 : x
  2. Step 2: Convert to fraction form
    13,373.36/18,455.44 = 7,323.50/x
  3. Step 3: Cross multiply
    13,373.36x = 18,455.44 × 7,323.50
  4. Step 4: Simplify right side
    13,373.36x = 135,158,414.84
  5. Step 5: Solve for x
    x = 135,158,414.84/13,373.36
  6. Step 6: Final answer
    x = 10,106.54

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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.