Home / 14,207.82-21,311.78-4,347.08

Finding the Fourth Proportional to 14,207.82, 21,311.78 and 4,347.08

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Solution

The fourth proportional to 14,207.82, 21,311.78 and 4,347.08 is: 6,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.82 : 21,311.78 = 4,347.08 : x
  2. Step 2: Convert to fraction form
    14,207.82/21,311.78 = 4,347.08/x
  3. Step 3: Cross multiply
    14,207.82x = 21,311.78 × 4,347.08
  4. Step 4: Simplify right side
    14,207.82x = 92,643,884.31
  5. Step 5: Solve for x
    x = 92,643,884.31/14,207.82
  6. Step 6: Final answer
    x = 6,520.63

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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.