Home / 13,009.08-17,954.19-8,536.62

Finding the Fourth Proportional to 13,009.08, 17,954.19 and 8,536.62

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Solution

The fourth proportional to 13,009.08, 17,954.19 and 8,536.62 is: 11,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.08 : 17,954.19 = 8,536.62 : x
  2. Step 2: Convert to fraction form
    13,009.08/17,954.19 = 8,536.62/x
  3. Step 3: Cross multiply
    13,009.08x = 17,954.19 × 8,536.62
  4. Step 4: Simplify right side
    13,009.08x = 153,268,097.44
  5. Step 5: Solve for x
    x = 153,268,097.44/13,009.08
  6. Step 6: Final answer
    x = 11,781.62

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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.