Home / 14,381.21-21,563.01-5,605.88

Finding the Fourth Proportional to 14,381.21, 21,563.01 and 5,605.88

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Solution

The fourth proportional to 14,381.21, 21,563.01 and 5,605.88 is: 8,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.21 : 21,563.01 = 5,605.88 : x
  2. Step 2: Convert to fraction form
    14,381.21/21,563.01 = 5,605.88/x
  3. Step 3: Cross multiply
    14,381.21x = 21,563.01 × 5,605.88
  4. Step 4: Simplify right side
    14,381.21x = 120,879,538.68
  5. Step 5: Solve for x
    x = 120,879,538.68/14,381.21
  6. Step 6: Final answer
    x = 8,405.38

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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.