Home / 14,994.35-20,691.77-8,279.81

Finding the Fourth Proportional to 14,994.35, 20,691.77 and 8,279.81

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Solution

The fourth proportional to 14,994.35, 20,691.77 and 8,279.81 is: 11,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.35 : 20,691.77 = 8,279.81 : x
  2. Step 2: Convert to fraction form
    14,994.35/20,691.77 = 8,279.81/x
  3. Step 3: Cross multiply
    14,994.35x = 20,691.77 × 8,279.81
  4. Step 4: Simplify right side
    14,994.35x = 171,323,779.31
  5. Step 5: Solve for x
    x = 171,323,779.31/14,994.35
  6. Step 6: Final answer
    x = 11,425.89

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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.