Home / 11,359.64-17,039.46-4,781.56

Finding the Fourth Proportional to 11,359.64, 17,039.46 and 4,781.56

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Solution

The fourth proportional to 11,359.64, 17,039.46 and 4,781.56 is: 7,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.64 : 17,039.46 = 4,781.56 : x
  2. Step 2: Convert to fraction form
    11,359.64/17,039.46 = 4,781.56/x
  3. Step 3: Cross multiply
    11,359.64x = 17,039.46 × 4,781.56
  4. Step 4: Simplify right side
    11,359.64x = 81,475,159.72
  5. Step 5: Solve for x
    x = 81,475,159.72/11,359.64
  6. Step 6: Final answer
    x = 7,172.33

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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.