Home / 14,879.07-20,533.09-8,164.78

Finding the Fourth Proportional to 14,879.07, 20,533.09 and 8,164.78

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Solution

The fourth proportional to 14,879.07, 20,533.09 and 8,164.78 is: 11,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.07 : 20,533.09 = 8,164.78 : x
  2. Step 2: Convert to fraction form
    14,879.07/20,533.09 = 8,164.78/x
  3. Step 3: Cross multiply
    14,879.07x = 20,533.09 × 8,164.78
  4. Step 4: Simplify right side
    14,879.07x = 167,648,162.57
  5. Step 5: Solve for x
    x = 167,648,162.57/14,879.07
  6. Step 6: Final answer
    x = 11,267.38

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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.