Home / 13,992.06-20,988.13-5,672.22

Finding the Fourth Proportional to 13,992.06, 20,988.13 and 5,672.22

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Solution

The fourth proportional to 13,992.06, 20,988.13 and 5,672.22 is: 8,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.06 : 20,988.13 = 5,672.22 : x
  2. Step 2: Convert to fraction form
    13,992.06/20,988.13 = 5,672.22/x
  3. Step 3: Cross multiply
    13,992.06x = 20,988.13 × 5,672.22
  4. Step 4: Simplify right side
    13,992.06x = 119,049,290.75
  5. Step 5: Solve for x
    x = 119,049,290.75/13,992.06
  6. Step 6: Final answer
    x = 8,508.35

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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.