Home / 11,813.87-17,718.23-3,492.47

Finding the Fourth Proportional to 11,813.87, 17,718.23 and 3,492.47

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Solution

The fourth proportional to 11,813.87, 17,718.23 and 3,492.47 is: 5,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.87 : 17,718.23 = 3,492.47 : x
  2. Step 2: Convert to fraction form
    11,813.87/17,718.23 = 3,492.47/x
  3. Step 3: Cross multiply
    11,813.87x = 17,718.23 × 3,492.47
  4. Step 4: Simplify right side
    11,813.87x = 61,880,280.67
  5. Step 5: Solve for x
    x = 61,880,280.67/11,813.87
  6. Step 6: Final answer
    x = 5,237.94

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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.