Home / 11,326.32-16,989.21-3,534.93

Finding the Fourth Proportional to 11,326.32, 16,989.21 and 3,534.93

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Solution

The fourth proportional to 11,326.32, 16,989.21 and 3,534.93 is: 5,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.32 : 16,989.21 = 3,534.93 : x
  2. Step 2: Convert to fraction form
    11,326.32/16,989.21 = 3,534.93/x
  3. Step 3: Cross multiply
    11,326.32x = 16,989.21 × 3,534.93
  4. Step 4: Simplify right side
    11,326.32x = 60,055,668.11
  5. Step 5: Solve for x
    x = 60,055,668.11/11,326.32
  6. Step 6: Final answer
    x = 5,302.31

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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.