Home / 14,609.60-20,158.24-8,641.44

Finding the Fourth Proportional to 14,609.60, 20,158.24 and 8,641.44

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Solution

The fourth proportional to 14,609.60, 20,158.24 and 8,641.44 is: 11,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.60 : 20,158.24 = 8,641.44 : x
  2. Step 2: Convert to fraction form
    14,609.60/20,158.24 = 8,641.44/x
  3. Step 3: Cross multiply
    14,609.60x = 20,158.24 × 8,641.44
  4. Step 4: Simplify right side
    14,609.60x = 174,196,221.47
  5. Step 5: Solve for x
    x = 174,196,221.47/14,609.60
  6. Step 6: Final answer
    x = 11,923.41

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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.