Home / 10,899.36-16,349.04-3,972.24

Finding the Fourth Proportional to 10,899.36, 16,349.04 and 3,972.24

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Solution

The fourth proportional to 10,899.36, 16,349.04 and 3,972.24 is: 5,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.36 : 16,349.04 = 3,972.24 : x
  2. Step 2: Convert to fraction form
    10,899.36/16,349.04 = 3,972.24/x
  3. Step 3: Cross multiply
    10,899.36x = 16,349.04 × 3,972.24
  4. Step 4: Simplify right side
    10,899.36x = 64,942,310.65
  5. Step 5: Solve for x
    x = 64,942,310.65/10,899.36
  6. Step 6: Final answer
    x = 5,958.36

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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.