Home / 14,247.28-21,372.94-4,387.36

Finding the Fourth Proportional to 14,247.28, 21,372.94 and 4,387.36

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Solution

The fourth proportional to 14,247.28, 21,372.94 and 4,387.36 is: 6,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.28 : 21,372.94 = 4,387.36 : x
  2. Step 2: Convert to fraction form
    14,247.28/21,372.94 = 4,387.36/x
  3. Step 3: Cross multiply
    14,247.28x = 21,372.94 × 4,387.36
  4. Step 4: Simplify right side
    14,247.28x = 93,770,782.04
  5. Step 5: Solve for x
    x = 93,770,782.04/14,247.28
  6. Step 6: Final answer
    x = 6,581.66

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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.