Home / 10,668.34-16,009.80-3,742.84

Finding the Fourth Proportional to 10,668.34, 16,009.80 and 3,742.84

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Solution

The fourth proportional to 10,668.34, 16,009.80 and 3,742.84 is: 5,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.34 : 16,009.80 = 3,742.84 : x
  2. Step 2: Convert to fraction form
    10,668.34/16,009.80 = 3,742.84/x
  3. Step 3: Cross multiply
    10,668.34x = 16,009.80 × 3,742.84
  4. Step 4: Simplify right side
    10,668.34x = 59,922,119.83
  5. Step 5: Solve for x
    x = 59,922,119.83/10,668.34
  6. Step 6: Final answer
    x = 5,616.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.