Home / 14,120.78-21,184.66-9,968.92

Finding the Fourth Proportional to 14,120.78, 21,184.66 and 9,968.92

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Solution

The fourth proportional to 14,120.78, 21,184.66 and 9,968.92 is: 14,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.78 : 21,184.66 = 9,968.92 : x
  2. Step 2: Convert to fraction form
    14,120.78/21,184.66 = 9,968.92/x
  3. Step 3: Cross multiply
    14,120.78x = 21,184.66 × 9,968.92
  4. Step 4: Simplify right side
    14,120.78x = 211,188,180.77
  5. Step 5: Solve for x
    x = 211,188,180.77/14,120.78
  6. Step 6: Final answer
    x = 14,955.84

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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.