Home / 13,416.67-20,098.82-8,785.63

Finding the Fourth Proportional to 13,416.67, 20,098.82 and 8,785.63

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Solution

The fourth proportional to 13,416.67, 20,098.82 and 8,785.63 is: 13,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.67 : 20,098.82 = 8,785.63 : x
  2. Step 2: Convert to fraction form
    13,416.67/20,098.82 = 8,785.63/x
  3. Step 3: Cross multiply
    13,416.67x = 20,098.82 × 8,785.63
  4. Step 4: Simplify right side
    13,416.67x = 176,580,673.50
  5. Step 5: Solve for x
    x = 176,580,673.50/13,416.67
  6. Step 6: Final answer
    x = 13,161.29

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1.5x scale

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.