Home / 11,145.80-16,707.90-4,563.20

Finding the Fourth Proportional to 11,145.80, 16,707.90 and 4,563.20

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Solution

The fourth proportional to 11,145.80, 16,707.90 and 4,563.20 is: 6,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.80 : 16,707.90 = 4,563.20 : x
  2. Step 2: Convert to fraction form
    11,145.80/16,707.90 = 4,563.20/x
  3. Step 3: Cross multiply
    11,145.80x = 16,707.90 × 4,563.20
  4. Step 4: Simplify right side
    11,145.80x = 76,241,489.28
  5. Step 5: Solve for x
    x = 76,241,489.28/11,145.80
  6. Step 6: Final answer
    x = 6,840.38

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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.