Home / 13,317.16-19,975.44-3,456.40

Finding the Fourth Proportional to 13,317.16, 19,975.44 and 3,456.40

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Solution

The fourth proportional to 13,317.16, 19,975.44 and 3,456.40 is: 5,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.16 : 19,975.44 = 3,456.40 : x
  2. Step 2: Convert to fraction form
    13,317.16/19,975.44 = 3,456.40/x
  3. Step 3: Cross multiply
    13,317.16x = 19,975.44 × 3,456.40
  4. Step 4: Simplify right side
    13,317.16x = 69,043,110.82
  5. Step 5: Solve for x
    x = 69,043,110.82/13,317.16
  6. Step 6: Final answer
    x = 5,184.52

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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.