Home / 13,230.68-18,265.74-9,004.52

Finding the Fourth Proportional to 13,230.68, 18,265.74 and 9,004.52

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Solution

The fourth proportional to 13,230.68, 18,265.74 and 9,004.52 is: 12,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.68 : 18,265.74 = 9,004.52 : x
  2. Step 2: Convert to fraction form
    13,230.68/18,265.74 = 9,004.52/x
  3. Step 3: Cross multiply
    13,230.68x = 18,265.74 × 9,004.52
  4. Step 4: Simplify right side
    13,230.68x = 164,474,221.14
  5. Step 5: Solve for x
    x = 164,474,221.14/13,230.68
  6. Step 6: Final answer
    x = 12,431.27

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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.