Home / 15,338.52-21,174.29-11,563.22

Finding the Fourth Proportional to 15,338.52, 21,174.29 and 11,563.22

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Solution

The fourth proportional to 15,338.52, 21,174.29 and 11,563.22 is: 15,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.52 : 21,174.29 = 11,563.22 : x
  2. Step 2: Convert to fraction form
    15,338.52/21,174.29 = 11,563.22/x
  3. Step 3: Cross multiply
    15,338.52x = 21,174.29 × 11,563.22
  4. Step 4: Simplify right side
    15,338.52x = 244,842,809.93
  5. Step 5: Solve for x
    x = 244,842,809.93/15,338.52
  6. Step 6: Final answer
    x = 15,962.61

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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.