Home / 13,334.41-18,400.93-7,668.73

Finding the Fourth Proportional to 13,334.41, 18,400.93 and 7,668.73

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Solution

The fourth proportional to 13,334.41, 18,400.93 and 7,668.73 is: 10,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.41 : 18,400.93 = 7,668.73 : x
  2. Step 2: Convert to fraction form
    13,334.41/18,400.93 = 7,668.73/x
  3. Step 3: Cross multiply
    13,334.41x = 18,400.93 × 7,668.73
  4. Step 4: Simplify right side
    13,334.41x = 141,111,763.92
  5. Step 5: Solve for x
    x = 141,111,763.92/13,334.41
  6. Step 6: Final answer
    x = 10,582.53

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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.