Home / 20,983.76-31,477.01-6,944.74

Finding the Fourth Proportional to 20,983.76, 31,477.01 and 6,944.74

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Solution

The fourth proportional to 20,983.76, 31,477.01 and 6,944.74 is: 10,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.76 : 31,477.01 = 6,944.74 : x
  2. Step 2: Convert to fraction form
    20,983.76/31,477.01 = 6,944.74/x
  3. Step 3: Cross multiply
    20,983.76x = 31,477.01 × 6,944.74
  4. Step 4: Simplify right side
    20,983.76x = 218,599,537.01
  5. Step 5: Solve for x
    x = 218,599,537.01/20,983.76
  6. Step 6: Final answer
    x = 10,417.56

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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.