Home / 10,900.90-16,361.57-5,358.23

Finding the Fourth Proportional to 10,900.90, 16,361.57 and 5,358.23

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Solution

The fourth proportional to 10,900.90, 16,361.57 and 5,358.23 is: 8,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.90 : 16,361.57 = 5,358.23 : x
  2. Step 2: Convert to fraction form
    10,900.90/16,361.57 = 5,358.23/x
  3. Step 3: Cross multiply
    10,900.90x = 16,361.57 × 5,358.23
  4. Step 4: Simplify right side
    10,900.90x = 87,668,987.08
  5. Step 5: Solve for x
    x = 87,668,987.08/10,900.90
  6. Step 6: Final answer
    x = 8,042.36

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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.