Home / 13,336.83-18,404.60-7,368.57

Finding the Fourth Proportional to 13,336.83, 18,404.60 and 7,368.57

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Solution

The fourth proportional to 13,336.83, 18,404.60 and 7,368.57 is: 10,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.83 : 18,404.60 = 7,368.57 : x
  2. Step 2: Convert to fraction form
    13,336.83/18,404.60 = 7,368.57/x
  3. Step 3: Cross multiply
    13,336.83x = 18,404.60 × 7,368.57
  4. Step 4: Simplify right side
    13,336.83x = 135,615,546.58
  5. Step 5: Solve for x
    x = 135,615,546.58/13,336.83
  6. Step 6: Final answer
    x = 10,168.50

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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.