Home / 13,530.60-20,295.90-6,132.96

Finding the Fourth Proportional to 13,530.60, 20,295.90 and 6,132.96

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Solution

The fourth proportional to 13,530.60, 20,295.90 and 6,132.96 is: 9,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.60 : 20,295.90 = 6,132.96 : x
  2. Step 2: Convert to fraction form
    13,530.60/20,295.90 = 6,132.96/x
  3. Step 3: Cross multiply
    13,530.60x = 20,295.90 × 6,132.96
  4. Step 4: Simplify right side
    13,530.60x = 124,473,942.86
  5. Step 5: Solve for x
    x = 124,473,942.86/13,530.60
  6. Step 6: Final answer
    x = 9,199.44

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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.