Home / 11,285.73-15,581.92-7,043.25

Finding the Fourth Proportional to 11,285.73, 15,581.92 and 7,043.25

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Solution

The fourth proportional to 11,285.73, 15,581.92 and 7,043.25 is: 9,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.73 : 15,581.92 = 7,043.25 : x
  2. Step 2: Convert to fraction form
    11,285.73/15,581.92 = 7,043.25/x
  3. Step 3: Cross multiply
    11,285.73x = 15,581.92 × 7,043.25
  4. Step 4: Simplify right side
    11,285.73x = 109,747,412.07
  5. Step 5: Solve for x
    x = 109,747,412.07/11,285.73
  6. Step 6: Final answer
    x = 9,724.44

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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.