Home / 17,580.42-26,374.86-7,192.20

Finding the Fourth Proportional to 17,580.42, 26,374.86 and 7,192.20

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Solution

The fourth proportional to 17,580.42, 26,374.86 and 7,192.20 is: 10,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.42 : 26,374.86 = 7,192.20 : x
  2. Step 2: Convert to fraction form
    17,580.42/26,374.86 = 7,192.20/x
  3. Step 3: Cross multiply
    17,580.42x = 26,374.86 × 7,192.20
  4. Step 4: Simplify right side
    17,580.42x = 189,693,268.09
  5. Step 5: Solve for x
    x = 189,693,268.09/17,580.42
  6. Step 6: Final answer
    x = 10,790.03

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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.