Home / 13,000.08-17,941.50-7,967.64

Finding the Fourth Proportional to 13,000.08, 17,941.50 and 7,967.64

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Solution

The fourth proportional to 13,000.08, 17,941.50 and 7,967.64 is: 10,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.08 : 17,941.50 = 7,967.64 : x
  2. Step 2: Convert to fraction form
    13,000.08/17,941.50 = 7,967.64/x
  3. Step 3: Cross multiply
    13,000.08x = 17,941.50 × 7,967.64
  4. Step 4: Simplify right side
    13,000.08x = 142,951,413.06
  5. Step 5: Solve for x
    x = 142,951,413.06/13,000.08
  6. Step 6: Final answer
    x = 10,996.19

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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.