Home / 14,944.63-20,631.87-8,977.75

Finding the Fourth Proportional to 14,944.63, 20,631.87 and 8,977.75

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Solution

The fourth proportional to 14,944.63, 20,631.87 and 8,977.75 is: 12,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.63 : 20,631.87 = 8,977.75 : x
  2. Step 2: Convert to fraction form
    14,944.63/20,631.87 = 8,977.75/x
  3. Step 3: Cross multiply
    14,944.63x = 20,631.87 × 8,977.75
  4. Step 4: Simplify right side
    14,944.63x = 185,227,770.89
  5. Step 5: Solve for x
    x = 185,227,770.89/14,944.63
  6. Step 6: Final answer
    x = 12,394.27

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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.