Home / 13,260.22-18,298.43-7,290.73

Finding the Fourth Proportional to 13,260.22, 18,298.43 and 7,290.73

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Solution

The fourth proportional to 13,260.22, 18,298.43 and 7,290.73 is: 10,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.22 : 18,298.43 = 7,290.73 : x
  2. Step 2: Convert to fraction form
    13,260.22/18,298.43 = 7,290.73/x
  3. Step 3: Cross multiply
    13,260.22x = 18,298.43 × 7,290.73
  4. Step 4: Simplify right side
    13,260.22x = 133,408,912.55
  5. Step 5: Solve for x
    x = 133,408,912.55/13,260.22
  6. Step 6: Final answer
    x = 10,060.84

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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.