Home / 14,579.48-21,872.78-4,191.16

Finding the Fourth Proportional to 14,579.48, 21,872.78 and 4,191.16

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Solution

The fourth proportional to 14,579.48, 21,872.78 and 4,191.16 is: 6,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.48 : 21,872.78 = 4,191.16 : x
  2. Step 2: Convert to fraction form
    14,579.48/21,872.78 = 4,191.16/x
  3. Step 3: Cross multiply
    14,579.48x = 21,872.78 × 4,191.16
  4. Step 4: Simplify right side
    14,579.48x = 91,672,320.62
  5. Step 5: Solve for x
    x = 91,672,320.62/14,579.48
  6. Step 6: Final answer
    x = 6,287.76

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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.