Home / 16,877.09-25,319.22-5,780.80

Finding the Fourth Proportional to 16,877.09, 25,319.22 and 5,780.80

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Solution

The fourth proportional to 16,877.09, 25,319.22 and 5,780.80 is: 8,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.09 : 25,319.22 = 5,780.80 : x
  2. Step 2: Convert to fraction form
    16,877.09/25,319.22 = 5,780.80/x
  3. Step 3: Cross multiply
    16,877.09x = 25,319.22 × 5,780.80
  4. Step 4: Simplify right side
    16,877.09x = 146,365,346.98
  5. Step 5: Solve for x
    x = 146,365,346.98/16,877.09
  6. Step 6: Final answer
    x = 8,672.43

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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.