Home / 13,368.37-18,448.84-7,319.03

Finding the Fourth Proportional to 13,368.37, 18,448.84 and 7,319.03

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Solution

The fourth proportional to 13,368.37, 18,448.84 and 7,319.03 is: 10,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.37 : 18,448.84 = 7,319.03 : x
  2. Step 2: Convert to fraction form
    13,368.37/18,448.84 = 7,319.03/x
  3. Step 3: Cross multiply
    13,368.37x = 18,448.84 × 7,319.03
  4. Step 4: Simplify right side
    13,368.37x = 135,027,613.43
  5. Step 5: Solve for x
    x = 135,027,613.43/13,368.37
  6. Step 6: Final answer
    x = 10,100.53

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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.