Home / 11,309.95-16,964.65-4,384.45

Finding the Fourth Proportional to 11,309.95, 16,964.65 and 4,384.45

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Solution

The fourth proportional to 11,309.95, 16,964.65 and 4,384.45 is: 6,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.95 : 16,964.65 = 4,384.45 : x
  2. Step 2: Convert to fraction form
    11,309.95/16,964.65 = 4,384.45/x
  3. Step 3: Cross multiply
    11,309.95x = 16,964.65 × 4,384.45
  4. Step 4: Simplify right side
    11,309.95x = 74,380,659.69
  5. Step 5: Solve for x
    x = 74,380,659.69/11,309.95
  6. Step 6: Final answer
    x = 6,576.57

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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.