Home / 20,747.06-31,104.64-10,741.08

Finding the Fourth Proportional to 20,747.06, 31,104.64 and 10,741.08

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Solution

The fourth proportional to 20,747.06, 31,104.64 and 10,741.08 is: 16,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.06 : 31,104.64 = 10,741.08 : x
  2. Step 2: Convert to fraction form
    20,747.06/31,104.64 = 10,741.08/x
  3. Step 3: Cross multiply
    20,747.06x = 31,104.64 × 10,741.08
  4. Step 4: Simplify right side
    20,747.06x = 334,097,469.20
  5. Step 5: Solve for x
    x = 334,097,469.20/20,747.06
  6. Step 6: Final answer
    x = 16,103.36

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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.