Home / 10,780.23-16,167.92-2,989.65

Finding the Fourth Proportional to 10,780.23, 16,167.92 and 2,989.65

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Solution

The fourth proportional to 10,780.23, 16,167.92 and 2,989.65 is: 4,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.23 : 16,167.92 = 2,989.65 : x
  2. Step 2: Convert to fraction form
    10,780.23/16,167.92 = 2,989.65/x
  3. Step 3: Cross multiply
    10,780.23x = 16,167.92 × 2,989.65
  4. Step 4: Simplify right side
    10,780.23x = 48,336,407.08
  5. Step 5: Solve for x
    x = 48,336,407.08/10,780.23
  6. Step 6: Final answer
    x = 4,483.80

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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.