Home / 13,970.94-20,949.72-6,569.16

Finding the Fourth Proportional to 13,970.94, 20,949.72 and 6,569.16

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Solution

The fourth proportional to 13,970.94, 20,949.72 and 6,569.16 is: 9,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.94 : 20,949.72 = 6,569.16 : x
  2. Step 2: Convert to fraction form
    13,970.94/20,949.72 = 6,569.16/x
  3. Step 3: Cross multiply
    13,970.94x = 20,949.72 × 6,569.16
  4. Step 4: Simplify right side
    13,970.94x = 137,622,062.64
  5. Step 5: Solve for x
    x = 137,622,062.64/13,970.94
  6. Step 6: Final answer
    x = 9,850.59

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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.