Home / 10,782.10-16,197.66-9,305.92

Finding the Fourth Proportional to 10,782.10, 16,197.66 and 9,305.92

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Solution

The fourth proportional to 10,782.10, 16,197.66 and 9,305.92 is: 13,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.10 : 16,197.66 = 9,305.92 : x
  2. Step 2: Convert to fraction form
    10,782.10/16,197.66 = 9,305.92/x
  3. Step 3: Cross multiply
    10,782.10x = 16,197.66 × 9,305.92
  4. Step 4: Simplify right side
    10,782.10x = 150,734,128.15
  5. Step 5: Solve for x
    x = 150,734,128.15/10,782.10
  6. Step 6: Final answer
    x = 13,980.03

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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.