Home / 13,195.74-18,205.60-7,526.39

Finding the Fourth Proportional to 13,195.74, 18,205.60 and 7,526.39

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Solution

The fourth proportional to 13,195.74, 18,205.60 and 7,526.39 is: 10,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.74 : 18,205.60 = 7,526.39 : x
  2. Step 2: Convert to fraction form
    13,195.74/18,205.60 = 7,526.39/x
  3. Step 3: Cross multiply
    13,195.74x = 18,205.60 × 7,526.39
  4. Step 4: Simplify right side
    13,195.74x = 137,022,408.15
  5. Step 5: Solve for x
    x = 137,022,408.15/13,195.74
  6. Step 6: Final answer
    x = 10,383.84

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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.