Home / 17,608.64-26,400.40-8,243.56

Finding the Fourth Proportional to 17,608.64, 26,400.40 and 8,243.56

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Solution

The fourth proportional to 17,608.64, 26,400.40 and 8,243.56 is: 12,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.64 : 26,400.40 = 8,243.56 : x
  2. Step 2: Convert to fraction form
    17,608.64/26,400.40 = 8,243.56/x
  3. Step 3: Cross multiply
    17,608.64x = 26,400.40 × 8,243.56
  4. Step 4: Simplify right side
    17,608.64x = 217,633,281.42
  5. Step 5: Solve for x
    x = 217,633,281.42/17,608.64
  6. Step 6: Final answer
    x = 12,359.46

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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.