Home / 14,276.43-21,414.65-4,415.49

Finding the Fourth Proportional to 14,276.43, 21,414.65 and 4,415.49

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Solution

The fourth proportional to 14,276.43, 21,414.65 and 4,415.49 is: 6,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.43 : 21,414.65 = 4,415.49 : x
  2. Step 2: Convert to fraction form
    14,276.43/21,414.65 = 4,415.49/x
  3. Step 3: Cross multiply
    14,276.43x = 21,414.65 × 4,415.49
  4. Step 4: Simplify right side
    14,276.43x = 94,556,150.85
  5. Step 5: Solve for x
    x = 94,556,150.85/14,276.43
  6. Step 6: Final answer
    x = 6,623.24

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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.