Home / 21,969.97-32,945.01-6,972.76

Finding the Fourth Proportional to 21,969.97, 32,945.01 and 6,972.76

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Solution

The fourth proportional to 21,969.97, 32,945.01 and 6,972.76 is: 10,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.97 : 32,945.01 = 6,972.76 : x
  2. Step 2: Convert to fraction form
    21,969.97/32,945.01 = 6,972.76/x
  3. Step 3: Cross multiply
    21,969.97x = 32,945.01 × 6,972.76
  4. Step 4: Simplify right side
    21,969.97x = 229,717,662.96
  5. Step 5: Solve for x
    x = 229,717,662.96/21,969.97
  6. Step 6: Final answer
    x = 10,455.99

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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.