Home / 14,829.48-20,464.74-8,115.17

Finding the Fourth Proportional to 14,829.48, 20,464.74 and 8,115.17

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Solution

The fourth proportional to 14,829.48, 20,464.74 and 8,115.17 is: 11,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.48 : 20,464.74 = 8,115.17 : x
  2. Step 2: Convert to fraction form
    14,829.48/20,464.74 = 8,115.17/x
  3. Step 3: Cross multiply
    14,829.48x = 20,464.74 × 8,115.17
  4. Step 4: Simplify right side
    14,829.48x = 166,074,741.78
  5. Step 5: Solve for x
    x = 166,074,741.78/14,829.48
  6. Step 6: Final answer
    x = 11,198.96

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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.