Home / 20,697.48-31,048.24-7,546.76

Finding the Fourth Proportional to 20,697.48, 31,048.24 and 7,546.76

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Solution

The fourth proportional to 20,697.48, 31,048.24 and 7,546.76 is: 11,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.48 : 31,048.24 = 7,546.76 : x
  2. Step 2: Convert to fraction form
    20,697.48/31,048.24 = 7,546.76/x
  3. Step 3: Cross multiply
    20,697.48x = 31,048.24 × 7,546.76
  4. Step 4: Simplify right side
    20,697.48x = 234,313,615.70
  5. Step 5: Solve for x
    x = 234,313,615.70/20,697.48
  6. Step 6: Final answer
    x = 11,320.88

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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.