Home / 14,534.40-20,067.06-11,171.10

Finding the Fourth Proportional to 14,534.40, 20,067.06 and 11,171.10

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Solution

The fourth proportional to 14,534.40, 20,067.06 and 11,171.10 is: 15,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.40 : 20,067.06 = 11,171.10 : x
  2. Step 2: Convert to fraction form
    14,534.40/20,067.06 = 11,171.10/x
  3. Step 3: Cross multiply
    14,534.40x = 20,067.06 × 11,171.10
  4. Step 4: Simplify right side
    14,534.40x = 224,171,133.97
  5. Step 5: Solve for x
    x = 224,171,133.97/14,534.40
  6. Step 6: Final answer
    x = 15,423.49

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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.