Home / 13,274.54-18,317.84-7,609.22

Finding the Fourth Proportional to 13,274.54, 18,317.84 and 7,609.22

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Solution

The fourth proportional to 13,274.54, 18,317.84 and 7,609.22 is: 10,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.54 : 18,317.84 = 7,609.22 : x
  2. Step 2: Convert to fraction form
    13,274.54/18,317.84 = 7,609.22/x
  3. Step 3: Cross multiply
    13,274.54x = 18,317.84 × 7,609.22
  4. Step 4: Simplify right side
    13,274.54x = 139,384,474.48
  5. Step 5: Solve for x
    x = 139,384,474.48/13,274.54
  6. Step 6: Final answer
    x = 10,500.14

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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.