Home / 14,366.88-21,551.82-3,978.63

Finding the Fourth Proportional to 14,366.88, 21,551.82 and 3,978.63

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Solution

The fourth proportional to 14,366.88, 21,551.82 and 3,978.63 is: 5,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.88 : 21,551.82 = 3,978.63 : x
  2. Step 2: Convert to fraction form
    14,366.88/21,551.82 = 3,978.63/x
  3. Step 3: Cross multiply
    14,366.88x = 21,551.82 × 3,978.63
  4. Step 4: Simplify right side
    14,366.88x = 85,746,717.61
  5. Step 5: Solve for x
    x = 85,746,717.61/14,366.88
  6. Step 6: Final answer
    x = 5,968.36

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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.