Home / 14,135.22-21,202.62-4,274.70

Finding the Fourth Proportional to 14,135.22, 21,202.62 and 4,274.70

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Solution

The fourth proportional to 14,135.22, 21,202.62 and 4,274.70 is: 6,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.22 : 21,202.62 = 4,274.70 : x
  2. Step 2: Convert to fraction form
    14,135.22/21,202.62 = 4,274.70/x
  3. Step 3: Cross multiply
    14,135.22x = 21,202.62 × 4,274.70
  4. Step 4: Simplify right side
    14,135.22x = 90,634,839.71
  5. Step 5: Solve for x
    x = 90,634,839.71/14,135.22
  6. Step 6: Final answer
    x = 6,411.99

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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.