Home / 14,173.44-21,299.04-8,642.76

Finding the Fourth Proportional to 14,173.44, 21,299.04 and 8,642.76

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Solution

The fourth proportional to 14,173.44, 21,299.04 and 8,642.76 is: 12,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.44 : 21,299.04 = 8,642.76 : x
  2. Step 2: Convert to fraction form
    14,173.44/21,299.04 = 8,642.76/x
  3. Step 3: Cross multiply
    14,173.44x = 21,299.04 × 8,642.76
  4. Step 4: Simplify right side
    14,173.44x = 184,082,490.95
  5. Step 5: Solve for x
    x = 184,082,490.95/14,173.44
  6. Step 6: Final answer
    x = 12,987.85

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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.