Home / 20,676.47-31,010.24-6,632.69

Finding the Fourth Proportional to 20,676.47, 31,010.24 and 6,632.69

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Solution

The fourth proportional to 20,676.47, 31,010.24 and 6,632.69 is: 9,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.47 : 31,010.24 = 6,632.69 : x
  2. Step 2: Convert to fraction form
    20,676.47/31,010.24 = 6,632.69/x
  3. Step 3: Cross multiply
    20,676.47x = 31,010.24 × 6,632.69
  4. Step 4: Simplify right side
    20,676.47x = 205,681,170.28
  5. Step 5: Solve for x
    x = 205,681,170.28/20,676.47
  6. Step 6: Final answer
    x = 9,947.60

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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.