Home / 21,998.04-32,972.28-10,912.68

Finding the Fourth Proportional to 21,998.04, 32,972.28 and 10,912.68

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Solution

The fourth proportional to 21,998.04, 32,972.28 and 10,912.68 is: 16,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.04 : 32,972.28 = 10,912.68 : x
  2. Step 2: Convert to fraction form
    21,998.04/32,972.28 = 10,912.68/x
  3. Step 3: Cross multiply
    21,998.04x = 32,972.28 × 10,912.68
  4. Step 4: Simplify right side
    21,998.04x = 359,815,940.51
  5. Step 5: Solve for x
    x = 359,815,940.51/21,998.04
  6. Step 6: Final answer
    x = 16,356.73

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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.