Home / 20,717.03-31,076.87-7,567.70

Finding the Fourth Proportional to 20,717.03, 31,076.87 and 7,567.70

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Solution

The fourth proportional to 20,717.03, 31,076.87 and 7,567.70 is: 11,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.03 : 31,076.87 = 7,567.70 : x
  2. Step 2: Convert to fraction form
    20,717.03/31,076.87 = 7,567.70/x
  3. Step 3: Cross multiply
    20,717.03x = 31,076.87 × 7,567.70
  4. Step 4: Simplify right side
    20,717.03x = 235,180,235.88
  5. Step 5: Solve for x
    x = 235,180,235.88/20,717.03
  6. Step 6: Final answer
    x = 11,352.02

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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.