Home / 15,626.31-21,593.86-11,842.69

Finding the Fourth Proportional to 15,626.31, 21,593.86 and 11,842.69

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Solution

The fourth proportional to 15,626.31, 21,593.86 and 11,842.69 is: 16,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.31 : 21,593.86 = 11,842.69 : x
  2. Step 2: Convert to fraction form
    15,626.31/21,593.86 = 11,842.69/x
  3. Step 3: Cross multiply
    15,626.31x = 21,593.86 × 11,842.69
  4. Step 4: Simplify right side
    15,626.31x = 255,729,389.88
  5. Step 5: Solve for x
    x = 255,729,389.88/15,626.31
  6. Step 6: Final answer
    x = 16,365.31

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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.