Home / 14,135.92-21,179.58-9,968.47

Finding the Fourth Proportional to 14,135.92, 21,179.58 and 9,968.47

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Solution

The fourth proportional to 14,135.92, 21,179.58 and 9,968.47 is: 14,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.92 : 21,179.58 = 9,968.47 : x
  2. Step 2: Convert to fraction form
    14,135.92/21,179.58 = 9,968.47/x
  3. Step 3: Cross multiply
    14,135.92x = 21,179.58 × 9,968.47
  4. Step 4: Simplify right side
    14,135.92x = 211,128,007.84
  5. Step 5: Solve for x
    x = 211,128,007.84/14,135.92
  6. Step 6: Final answer
    x = 14,935.57

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1.5x scale

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.