Home / 14,284.15-21,418.43-7,960.88

Finding the Fourth Proportional to 14,284.15, 21,418.43 and 7,960.88

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Solution

The fourth proportional to 14,284.15, 21,418.43 and 7,960.88 is: 11,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.15 : 21,418.43 = 7,960.88 : x
  2. Step 2: Convert to fraction form
    14,284.15/21,418.43 = 7,960.88/x
  3. Step 3: Cross multiply
    14,284.15x = 21,418.43 × 7,960.88
  4. Step 4: Simplify right side
    14,284.15x = 170,509,564.76
  5. Step 5: Solve for x
    x = 170,509,564.76/14,284.15
  6. Step 6: Final answer
    x = 11,936.98

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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.