Home / 13,230.99-18,259.41-7,262.59

Finding the Fourth Proportional to 13,230.99, 18,259.41 and 7,262.59

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Solution

The fourth proportional to 13,230.99, 18,259.41 and 7,262.59 is: 10,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.99 : 18,259.41 = 7,262.59 : x
  2. Step 2: Convert to fraction form
    13,230.99/18,259.41 = 7,262.59/x
  3. Step 3: Cross multiply
    13,230.99x = 18,259.41 × 7,262.59
  4. Step 4: Simplify right side
    13,230.99x = 132,610,608.47
  5. Step 5: Solve for x
    x = 132,610,608.47/13,230.99
  6. Step 6: Final answer
    x = 10,022.73

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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.