Home / 14,520.60-20,037.96-8,147.34

Finding the Fourth Proportional to 14,520.60, 20,037.96 and 8,147.34

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Solution

The fourth proportional to 14,520.60, 20,037.96 and 8,147.34 is: 11,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.60 : 20,037.96 = 8,147.34 : x
  2. Step 2: Convert to fraction form
    14,520.60/20,037.96 = 8,147.34/x
  3. Step 3: Cross multiply
    14,520.60x = 20,037.96 × 8,147.34
  4. Step 4: Simplify right side
    14,520.60x = 163,256,073.03
  5. Step 5: Solve for x
    x = 163,256,073.03/14,520.60
  6. Step 6: Final answer
    x = 11,243.07

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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.