Home / 14,785.60-20,404.09-9,480.41

Finding the Fourth Proportional to 14,785.60, 20,404.09 and 9,480.41

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Solution

The fourth proportional to 14,785.60, 20,404.09 and 9,480.41 is: 13,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.60 : 20,404.09 = 9,480.41 : x
  2. Step 2: Convert to fraction form
    14,785.60/20,404.09 = 9,480.41/x
  3. Step 3: Cross multiply
    14,785.60x = 20,404.09 × 9,480.41
  4. Step 4: Simplify right side
    14,785.60x = 193,439,138.88
  5. Step 5: Solve for x
    x = 193,439,138.88/14,785.60
  6. Step 6: Final answer
    x = 13,082.94

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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.