Home / 21,993.05-32,964.78-10,907.68

Finding the Fourth Proportional to 21,993.05, 32,964.78 and 10,907.68

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Solution

The fourth proportional to 21,993.05, 32,964.78 and 10,907.68 is: 16,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.05 : 32,964.78 = 10,907.68 : x
  2. Step 2: Convert to fraction form
    21,993.05/32,964.78 = 10,907.68/x
  3. Step 3: Cross multiply
    21,993.05x = 32,964.78 × 10,907.68
  4. Step 4: Simplify right side
    21,993.05x = 359,569,230.00
  5. Step 5: Solve for x
    x = 359,569,230.00/21,993.05
  6. Step 6: Final answer
    x = 16,349.22

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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.