Home / 13,654.01-20,480.88-6,256.37

Finding the Fourth Proportional to 13,654.01, 20,480.88 and 6,256.37

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Solution

The fourth proportional to 13,654.01, 20,480.88 and 6,256.37 is: 9,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.01 : 20,480.88 = 6,256.37 : x
  2. Step 2: Convert to fraction form
    13,654.01/20,480.88 = 6,256.37/x
  3. Step 3: Cross multiply
    13,654.01x = 20,480.88 × 6,256.37
  4. Step 4: Simplify right side
    13,654.01x = 128,135,963.21
  5. Step 5: Solve for x
    x = 128,135,963.21/13,654.01
  6. Step 6: Final answer
    x = 9,384.49

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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.