Home / 13,230.99-18,257.63-7,262.64

Finding the Fourth Proportional to 13,230.99, 18,257.63 and 7,262.64

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Solution

The fourth proportional to 13,230.99, 18,257.63 and 7,262.64 is: 10,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.99 : 18,257.63 = 7,262.64 : x
  2. Step 2: Convert to fraction form
    13,230.99/18,257.63 = 7,262.64/x
  3. Step 3: Cross multiply
    13,230.99x = 18,257.63 × 7,262.64
  4. Step 4: Simplify right side
    13,230.99x = 132,598,557.63
  5. Step 5: Solve for x
    x = 132,598,557.63/13,230.99
  6. Step 6: Final answer
    x = 10,021.82

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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.