Home / 14,767.06-20,379.46-8,480.38

Finding the Fourth Proportional to 14,767.06, 20,379.46 and 8,480.38

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Solution

The fourth proportional to 14,767.06, 20,379.46 and 8,480.38 is: 11,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.06 : 20,379.46 = 8,480.38 : x
  2. Step 2: Convert to fraction form
    14,767.06/20,379.46 = 8,480.38/x
  3. Step 3: Cross multiply
    14,767.06x = 20,379.46 × 8,480.38
  4. Step 4: Simplify right side
    14,767.06x = 172,825,564.99
  5. Step 5: Solve for x
    x = 172,825,564.99/14,767.06
  6. Step 6: Final answer
    x = 11,703.45

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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.