Home / 14,170.79-21,259.22-4,310.87

Finding the Fourth Proportional to 14,170.79, 21,259.22 and 4,310.87

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Solution

The fourth proportional to 14,170.79, 21,259.22 and 4,310.87 is: 6,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.79 : 21,259.22 = 4,310.87 : x
  2. Step 2: Convert to fraction form
    14,170.79/21,259.22 = 4,310.87/x
  3. Step 3: Cross multiply
    14,170.79x = 21,259.22 × 4,310.87
  4. Step 4: Simplify right side
    14,170.79x = 91,645,605.87
  5. Step 5: Solve for x
    x = 91,645,605.87/14,170.79
  6. Step 6: Final answer
    x = 6,467.22

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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.