Home / 11,291.16-16,921.08-4,263.96

Finding the Fourth Proportional to 11,291.16, 16,921.08 and 4,263.96

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Solution

The fourth proportional to 11,291.16, 16,921.08 and 4,263.96 is: 6,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.16 : 16,921.08 = 4,263.96 : x
  2. Step 2: Convert to fraction form
    11,291.16/16,921.08 = 4,263.96/x
  3. Step 3: Cross multiply
    11,291.16x = 16,921.08 × 4,263.96
  4. Step 4: Simplify right side
    11,291.16x = 72,150,808.28
  5. Step 5: Solve for x
    x = 72,150,808.28/11,291.16
  6. Step 6: Final answer
    x = 6,390.03

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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.