Home / 13,404.66-20,108.64-5,613.54

Finding the Fourth Proportional to 13,404.66, 20,108.64 and 5,613.54

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Solution

The fourth proportional to 13,404.66, 20,108.64 and 5,613.54 is: 8,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.66 : 20,108.64 = 5,613.54 : x
  2. Step 2: Convert to fraction form
    13,404.66/20,108.64 = 5,613.54/x
  3. Step 3: Cross multiply
    13,404.66x = 20,108.64 × 5,613.54
  4. Step 4: Simplify right side
    13,404.66x = 112,880,654.99
  5. Step 5: Solve for x
    x = 112,880,654.99/13,404.66
  6. Step 6: Final answer
    x = 8,421.00

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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.