Home / 13,078.08-19,616.96-3,217.45

Finding the Fourth Proportional to 13,078.08, 19,616.96 and 3,217.45

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Solution

The fourth proportional to 13,078.08, 19,616.96 and 3,217.45 is: 4,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.08 : 19,616.96 = 3,217.45 : x
  2. Step 2: Convert to fraction form
    13,078.08/19,616.96 = 3,217.45/x
  3. Step 3: Cross multiply
    13,078.08x = 19,616.96 × 3,217.45
  4. Step 4: Simplify right side
    13,078.08x = 63,116,526.84
  5. Step 5: Solve for x
    x = 63,116,526.84/13,078.08
  6. Step 6: Final answer
    x = 4,826.13

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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.