Home / 10,782.16-16,173.24-2,990.97

Finding the Fourth Proportional to 10,782.16, 16,173.24 and 2,990.97

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Solution

The fourth proportional to 10,782.16, 16,173.24 and 2,990.97 is: 4,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.16 : 16,173.24 = 2,990.97 : x
  2. Step 2: Convert to fraction form
    10,782.16/16,173.24 = 2,990.97/x
  3. Step 3: Cross multiply
    10,782.16x = 16,173.24 × 2,990.97
  4. Step 4: Simplify right side
    10,782.16x = 48,373,660.69
  5. Step 5: Solve for x
    x = 48,373,660.69/10,782.16
  6. Step 6: Final answer
    x = 4,486.45

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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.