Home / 14,830.30-22,245.45-14,311.90

Finding the Fourth Proportional to 14,830.30, 22,245.45 and 14,311.90

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Solution

The fourth proportional to 14,830.30, 22,245.45 and 14,311.90 is: 21,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.30 : 22,245.45 = 14,311.90 : x
  2. Step 2: Convert to fraction form
    14,830.30/22,245.45 = 14,311.90/x
  3. Step 3: Cross multiply
    14,830.30x = 22,245.45 × 14,311.90
  4. Step 4: Simplify right side
    14,830.30x = 318,374,655.86
  5. Step 5: Solve for x
    x = 318,374,655.86/14,830.30
  6. Step 6: Final answer
    x = 21,467.85

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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.