Home / 11,315.84-16,969.44-4,389.44

Finding the Fourth Proportional to 11,315.84, 16,969.44 and 4,389.44

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Solution

The fourth proportional to 11,315.84, 16,969.44 and 4,389.44 is: 6,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.84 : 16,969.44 = 4,389.44 : x
  2. Step 2: Convert to fraction form
    11,315.84/16,969.44 = 4,389.44/x
  3. Step 3: Cross multiply
    11,315.84x = 16,969.44 × 4,389.44
  4. Step 4: Simplify right side
    11,315.84x = 74,486,338.71
  5. Step 5: Solve for x
    x = 74,486,338.71/11,315.84
  6. Step 6: Final answer
    x = 6,582.48

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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.