Home / 14,364.20-21,546.78-3,975.08

Finding the Fourth Proportional to 14,364.20, 21,546.78 and 3,975.08

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Solution

The fourth proportional to 14,364.20, 21,546.78 and 3,975.08 is: 5,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.20 : 21,546.78 = 3,975.08 : x
  2. Step 2: Convert to fraction form
    14,364.20/21,546.78 = 3,975.08/x
  3. Step 3: Cross multiply
    14,364.20x = 21,546.78 × 3,975.08
  4. Step 4: Simplify right side
    14,364.20x = 85,650,174.24
  5. Step 5: Solve for x
    x = 85,650,174.24/14,364.20
  6. Step 6: Final answer
    x = 5,962.75

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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.