Home / 13,230.30-18,257.24-7,262.07

Finding the Fourth Proportional to 13,230.30, 18,257.24 and 7,262.07

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Solution

The fourth proportional to 13,230.30, 18,257.24 and 7,262.07 is: 10,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.30 : 18,257.24 = 7,262.07 : x
  2. Step 2: Convert to fraction form
    13,230.30/18,257.24 = 7,262.07/x
  3. Step 3: Cross multiply
    13,230.30x = 18,257.24 × 7,262.07
  4. Step 4: Simplify right side
    13,230.30x = 132,585,354.89
  5. Step 5: Solve for x
    x = 132,585,354.89/13,230.30
  6. Step 6: Final answer
    x = 10,021.34

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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.