Home / 20,714.72-28,595.85-12,214.04

Finding the Fourth Proportional to 20,714.72, 28,595.85 and 12,214.04

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Solution

The fourth proportional to 20,714.72, 28,595.85 and 12,214.04 is: 16,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.72 : 28,595.85 = 12,214.04 : x
  2. Step 2: Convert to fraction form
    20,714.72/28,595.85 = 12,214.04/x
  3. Step 3: Cross multiply
    20,714.72x = 28,595.85 × 12,214.04
  4. Step 4: Simplify right side
    20,714.72x = 349,270,855.73
  5. Step 5: Solve for x
    x = 349,270,855.73/20,714.72
  6. Step 6: Final answer
    x = 16,861.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.