Home / 10,784.65-16,176.98-3,389.75

Finding the Fourth Proportional to 10,784.65, 16,176.98 and 3,389.75

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Solution

The fourth proportional to 10,784.65, 16,176.98 and 3,389.75 is: 5,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.65 : 16,176.98 = 3,389.75 : x
  2. Step 2: Convert to fraction form
    10,784.65/16,176.98 = 3,389.75/x
  3. Step 3: Cross multiply
    10,784.65x = 16,176.98 × 3,389.75
  4. Step 4: Simplify right side
    10,784.65x = 54,835,966.87
  5. Step 5: Solve for x
    x = 54,835,966.87/10,784.65
  6. Step 6: Final answer
    x = 5,084.63

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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.