Home / 14,137.74-21,204.99-4,274.64

Finding the Fourth Proportional to 14,137.74, 21,204.99 and 4,274.64

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Solution

The fourth proportional to 14,137.74, 21,204.99 and 4,274.64 is: 6,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.74 : 21,204.99 = 4,274.64 : x
  2. Step 2: Convert to fraction form
    14,137.74/21,204.99 = 4,274.64/x
  3. Step 3: Cross multiply
    14,137.74x = 21,204.99 × 4,274.64
  4. Step 4: Simplify right side
    14,137.74x = 90,643,698.45
  5. Step 5: Solve for x
    x = 90,643,698.45/14,137.74
  6. Step 6: Final answer
    x = 6,411.47

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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.