Home / 14,914.65-20,582.35-8,108.69

Finding the Fourth Proportional to 14,914.65, 20,582.35 and 8,108.69

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Solution

The fourth proportional to 14,914.65, 20,582.35 and 8,108.69 is: 11,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.65 : 20,582.35 = 8,108.69 : x
  2. Step 2: Convert to fraction form
    14,914.65/20,582.35 = 8,108.69/x
  3. Step 3: Cross multiply
    14,914.65x = 20,582.35 × 8,108.69
  4. Step 4: Simplify right side
    14,914.65x = 166,895,895.62
  5. Step 5: Solve for x
    x = 166,895,895.62/14,914.65
  6. Step 6: Final answer
    x = 11,190.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.