Home / 10,784.16-16,176.16-2,992.80

Finding the Fourth Proportional to 10,784.16, 16,176.16 and 2,992.80

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Solution

The fourth proportional to 10,784.16, 16,176.16 and 2,992.80 is: 4,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.16 : 16,176.16 = 2,992.80 : x
  2. Step 2: Convert to fraction form
    10,784.16/16,176.16 = 2,992.80/x
  3. Step 3: Cross multiply
    10,784.16x = 16,176.16 × 2,992.80
  4. Step 4: Simplify right side
    10,784.16x = 48,412,011.65
  5. Step 5: Solve for x
    x = 48,412,011.65/10,784.16
  6. Step 6: Final answer
    x = 4,489.18

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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.