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Finding the Fourth Proportional to 13,004.35, 17,941.17 and 8,530.59

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Solution

The fourth proportional to 13,004.35, 17,941.17 and 8,530.59 is: 11,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.35 : 17,941.17 = 8,530.59 : x
  2. Step 2: Convert to fraction form
    13,004.35/17,941.17 = 8,530.59/x
  3. Step 3: Cross multiply
    13,004.35x = 17,941.17 × 8,530.59
  4. Step 4: Simplify right side
    13,004.35x = 153,048,765.39
  5. Step 5: Solve for x
    x = 153,048,765.39/13,004.35
  6. Step 6: Final answer
    x = 11,769.04

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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.