Home / 14,464.42-19,963.36-8,418.18

Finding the Fourth Proportional to 14,464.42, 19,963.36 and 8,418.18

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Solution

The fourth proportional to 14,464.42, 19,963.36 and 8,418.18 is: 11,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.42 : 19,963.36 = 8,418.18 : x
  2. Step 2: Convert to fraction form
    14,464.42/19,963.36 = 8,418.18/x
  3. Step 3: Cross multiply
    14,464.42x = 19,963.36 × 8,418.18
  4. Step 4: Simplify right side
    14,464.42x = 168,055,157.88
  5. Step 5: Solve for x
    x = 168,055,157.88/14,464.42
  6. Step 6: Final answer
    x = 11,618.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.