Home / 10,780.24-16,165.92-4,119.19

Finding the Fourth Proportional to 10,780.24, 16,165.92 and 4,119.19

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Solution

The fourth proportional to 10,780.24, 16,165.92 and 4,119.19 is: 6,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.24 : 16,165.92 = 4,119.19 : x
  2. Step 2: Convert to fraction form
    10,780.24/16,165.92 = 4,119.19/x
  3. Step 3: Cross multiply
    10,780.24x = 16,165.92 × 4,119.19
  4. Step 4: Simplify right side
    10,780.24x = 66,590,510.27
  5. Step 5: Solve for x
    x = 66,590,510.27/10,780.24
  6. Step 6: Final answer
    x = 6,177.09

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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.