Home / 17,619.12-26,431.38-6,541.56

Finding the Fourth Proportional to 17,619.12, 26,431.38 and 6,541.56

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Solution

The fourth proportional to 17,619.12, 26,431.38 and 6,541.56 is: 9,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.12 : 26,431.38 = 6,541.56 : x
  2. Step 2: Convert to fraction form
    17,619.12/26,431.38 = 6,541.56/x
  3. Step 3: Cross multiply
    17,619.12x = 26,431.38 × 6,541.56
  4. Step 4: Simplify right side
    17,619.12x = 172,902,458.15
  5. Step 5: Solve for x
    x = 172,902,458.15/17,619.12
  6. Step 6: Final answer
    x = 9,813.34

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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.