Home / 13,899.88-20,853.06-4,540.24

Finding the Fourth Proportional to 13,899.88, 20,853.06 and 4,540.24

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Solution

The fourth proportional to 13,899.88, 20,853.06 and 4,540.24 is: 6,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.88 : 20,853.06 = 4,540.24 : x
  2. Step 2: Convert to fraction form
    13,899.88/20,853.06 = 4,540.24/x
  3. Step 3: Cross multiply
    13,899.88x = 20,853.06 × 4,540.24
  4. Step 4: Simplify right side
    13,899.88x = 94,677,897.13
  5. Step 5: Solve for x
    x = 94,677,897.13/13,899.88
  6. Step 6: Final answer
    x = 6,811.42

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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.