Home / 11,290.16-16,919.58-4,262.96

Finding the Fourth Proportional to 11,290.16, 16,919.58 and 4,262.96

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Solution

The fourth proportional to 11,290.16, 16,919.58 and 4,262.96 is: 6,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.16 : 16,919.58 = 4,262.96 : x
  2. Step 2: Convert to fraction form
    11,290.16/16,919.58 = 4,262.96/x
  3. Step 3: Cross multiply
    11,290.16x = 16,919.58 × 4,262.96
  4. Step 4: Simplify right side
    11,290.16x = 72,127,492.76
  5. Step 5: Solve for x
    x = 72,127,492.76/11,290.16
  6. Step 6: Final answer
    x = 6,388.53

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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.