Home / 14,278.20-21,419.34-4,418.24

Finding the Fourth Proportional to 14,278.20, 21,419.34 and 4,418.24

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Solution

The fourth proportional to 14,278.20, 21,419.34 and 4,418.24 is: 6,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.20 : 21,419.34 = 4,418.24 : x
  2. Step 2: Convert to fraction form
    14,278.20/21,419.34 = 4,418.24/x
  3. Step 3: Cross multiply
    14,278.20x = 21,419.34 × 4,418.24
  4. Step 4: Simplify right side
    14,278.20x = 94,635,784.76
  5. Step 5: Solve for x
    x = 94,635,784.76/14,278.20
  6. Step 6: Final answer
    x = 6,627.99

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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.