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Finding the Fourth Proportional to 13,069, 18,010.02 and 8,345.08

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Solution

The fourth proportional to 13,069, 18,010.02 and 8,345.08 is: 11,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069 : 18,010.02 = 8,345.08 : x
  2. Step 2: Convert to fraction form
    13,069/18,010.02 = 8,345.08/x
  3. Step 3: Cross multiply
    13,069x = 18,010.02 × 8,345.08
  4. Step 4: Simplify right side
    13,069x = 150,295,057.70
  5. Step 5: Solve for x
    x = 150,295,057.70/13,069
  6. Step 6: Final answer
    x = 11,500.12

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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.