Home / 11,281.30-16,919.97-4,261.93

Finding the Fourth Proportional to 11,281.30, 16,919.97 and 4,261.93

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Solution

The fourth proportional to 11,281.30, 16,919.97 and 4,261.93 is: 6,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.30 : 16,919.97 = 4,261.93 : x
  2. Step 2: Convert to fraction form
    11,281.30/16,919.97 = 4,261.93/x
  3. Step 3: Cross multiply
    11,281.30x = 16,919.97 × 4,261.93
  4. Step 4: Simplify right side
    11,281.30x = 72,111,727.74
  5. Step 5: Solve for x
    x = 72,111,727.74/11,281.30
  6. Step 6: Final answer
    x = 6,392.15

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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.