Home / 14,829.38-20,464.55-8,115.01

Finding the Fourth Proportional to 14,829.38, 20,464.55 and 8,115.01

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Solution

The fourth proportional to 14,829.38, 20,464.55 and 8,115.01 is: 11,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.38 : 20,464.55 = 8,115.01 : x
  2. Step 2: Convert to fraction form
    14,829.38/20,464.55 = 8,115.01/x
  3. Step 3: Cross multiply
    14,829.38x = 20,464.55 × 8,115.01
  4. Step 4: Simplify right side
    14,829.38x = 166,069,966.59
  5. Step 5: Solve for x
    x = 166,069,966.59/14,829.38
  6. Step 6: Final answer
    x = 11,198.71

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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.