Home / 13,798.64-20,682.56-5,476.43

Finding the Fourth Proportional to 13,798.64, 20,682.56 and 5,476.43

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Solution

The fourth proportional to 13,798.64, 20,682.56 and 5,476.43 is: 8,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.64 : 20,682.56 = 5,476.43 : x
  2. Step 2: Convert to fraction form
    13,798.64/20,682.56 = 5,476.43/x
  3. Step 3: Cross multiply
    13,798.64x = 20,682.56 × 5,476.43
  4. Step 4: Simplify right side
    13,798.64x = 113,266,461.27
  5. Step 5: Solve for x
    x = 113,266,461.27/13,798.64
  6. Step 6: Final answer
    x = 8,208.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.