Home / 13,274.67-18,319.26-7,609.92

Finding the Fourth Proportional to 13,274.67, 18,319.26 and 7,609.92

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Solution

The fourth proportional to 13,274.67, 18,319.26 and 7,609.92 is: 10,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.67 : 18,319.26 = 7,609.92 : x
  2. Step 2: Convert to fraction form
    13,274.67/18,319.26 = 7,609.92/x
  3. Step 3: Cross multiply
    13,274.67x = 18,319.26 × 7,609.92
  4. Step 4: Simplify right side
    13,274.67x = 139,408,103.06
  5. Step 5: Solve for x
    x = 139,408,103.06/13,274.67
  6. Step 6: Final answer
    x = 10,501.81

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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.