Home / 11,551.43-15,943.45-7,299.79

Finding the Fourth Proportional to 11,551.43, 15,943.45 and 7,299.79

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Solution

The fourth proportional to 11,551.43, 15,943.45 and 7,299.79 is: 10,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.43 : 15,943.45 = 7,299.79 : x
  2. Step 2: Convert to fraction form
    11,551.43/15,943.45 = 7,299.79/x
  3. Step 3: Cross multiply
    11,551.43x = 15,943.45 × 7,299.79
  4. Step 4: Simplify right side
    11,551.43x = 116,383,778.77
  5. Step 5: Solve for x
    x = 116,383,778.77/11,551.43
  6. Step 6: Final answer
    x = 10,075.27

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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.