Home / 14,879.09-20,532.45-8,164.55

Finding the Fourth Proportional to 14,879.09, 20,532.45 and 8,164.55

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Solution

The fourth proportional to 14,879.09, 20,532.45 and 8,164.55 is: 11,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.09 : 20,532.45 = 8,164.55 : x
  2. Step 2: Convert to fraction form
    14,879.09/20,532.45 = 8,164.55/x
  3. Step 3: Cross multiply
    14,879.09x = 20,532.45 × 8,164.55
  4. Step 4: Simplify right side
    14,879.09x = 167,638,214.65
  5. Step 5: Solve for x
    x = 167,638,214.65/14,879.09
  6. Step 6: Final answer
    x = 11,266.70

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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.