Home / 14,672.10-21,986.55-12,468.90

Finding the Fourth Proportional to 14,672.10, 21,986.55 and 12,468.90

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Solution

The fourth proportional to 14,672.10, 21,986.55 and 12,468.90 is: 18,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.10 : 21,986.55 = 12,468.90 : x
  2. Step 2: Convert to fraction form
    14,672.10/21,986.55 = 12,468.90/x
  3. Step 3: Cross multiply
    14,672.10x = 21,986.55 × 12,468.90
  4. Step 4: Simplify right side
    14,672.10x = 274,148,093.30
  5. Step 5: Solve for x
    x = 274,148,093.30/14,672.10
  6. Step 6: Final answer
    x = 18,684.99

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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.