Home / 14,278.14-21,414.38-4,415.04

Finding the Fourth Proportional to 14,278.14, 21,414.38 and 4,415.04

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Solution

The fourth proportional to 14,278.14, 21,414.38 and 4,415.04 is: 6,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.14 : 21,414.38 = 4,415.04 : x
  2. Step 2: Convert to fraction form
    14,278.14/21,414.38 = 4,415.04/x
  3. Step 3: Cross multiply
    14,278.14x = 21,414.38 × 4,415.04
  4. Step 4: Simplify right side
    14,278.14x = 94,545,322.20
  5. Step 5: Solve for x
    x = 94,545,322.20/14,278.14
  6. Step 6: Final answer
    x = 6,621.68

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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.