Home / 10,816.30-16,203.41-7,107.36

Finding the Fourth Proportional to 10,816.30, 16,203.41 and 7,107.36

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Solution

The fourth proportional to 10,816.30, 16,203.41 and 7,107.36 is: 10,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.30 : 16,203.41 = 7,107.36 : x
  2. Step 2: Convert to fraction form
    10,816.30/16,203.41 = 7,107.36/x
  3. Step 3: Cross multiply
    10,816.30x = 16,203.41 × 7,107.36
  4. Step 4: Simplify right side
    10,816.30x = 115,163,468.10
  5. Step 5: Solve for x
    x = 115,163,468.10/10,816.30
  6. Step 6: Final answer
    x = 10,647.21

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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.