Home / 11,077.73-15,288.73-7,044.94

Finding the Fourth Proportional to 11,077.73, 15,288.73 and 7,044.94

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Solution

The fourth proportional to 11,077.73, 15,288.73 and 7,044.94 is: 9,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.73 : 15,288.73 = 7,044.94 : x
  2. Step 2: Convert to fraction form
    11,077.73/15,288.73 = 7,044.94/x
  3. Step 3: Cross multiply
    11,077.73x = 15,288.73 × 7,044.94
  4. Step 4: Simplify right side
    11,077.73x = 107,708,140.65
  5. Step 5: Solve for x
    x = 107,708,140.65/11,077.73
  6. Step 6: Final answer
    x = 9,722.94

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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.