Home / 11,289.41-16,927.95-8,964.35

Finding the Fourth Proportional to 11,289.41, 16,927.95 and 8,964.35

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Solution

The fourth proportional to 11,289.41, 16,927.95 and 8,964.35 is: 13,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.41 : 16,927.95 = 8,964.35 : x
  2. Step 2: Convert to fraction form
    11,289.41/16,927.95 = 8,964.35/x
  3. Step 3: Cross multiply
    11,289.41x = 16,927.95 × 8,964.35
  4. Step 4: Simplify right side
    11,289.41x = 151,748,110.90
  5. Step 5: Solve for x
    x = 151,748,110.90/11,289.41
  6. Step 6: Final answer
    x = 13,441.63

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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.