Home / 16,785.60-25,149.60-8,876.40

Finding the Fourth Proportional to 16,785.60, 25,149.60 and 8,876.40

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Solution

The fourth proportional to 16,785.60, 25,149.60 and 8,876.40 is: 13,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.60 : 25,149.60 = 8,876.40 : x
  2. Step 2: Convert to fraction form
    16,785.60/25,149.60 = 8,876.40/x
  3. Step 3: Cross multiply
    16,785.60x = 25,149.60 × 8,876.40
  4. Step 4: Simplify right side
    16,785.60x = 223,237,909.44
  5. Step 5: Solve for x
    x = 223,237,909.44/16,785.60
  6. Step 6: Final answer
    x = 13,299.37

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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.