Home / 15,908.22-21,958.38-11,206.26

Finding the Fourth Proportional to 15,908.22, 21,958.38 and 11,206.26

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Solution

The fourth proportional to 15,908.22, 21,958.38 and 11,206.26 is: 15,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.22 : 21,958.38 = 11,206.26 : x
  2. Step 2: Convert to fraction form
    15,908.22/21,958.38 = 11,206.26/x
  3. Step 3: Cross multiply
    15,908.22x = 21,958.38 × 11,206.26
  4. Step 4: Simplify right side
    15,908.22x = 246,071,315.46
  5. Step 5: Solve for x
    x = 246,071,315.46/15,908.22
  6. Step 6: Final answer
    x = 15,468.19

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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.