Home / 15,736.91-21,720.63-9,022.42

Finding the Fourth Proportional to 15,736.91, 21,720.63 and 9,022.42

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Solution

The fourth proportional to 15,736.91, 21,720.63 and 9,022.42 is: 12,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.91 : 21,720.63 = 9,022.42 : x
  2. Step 2: Convert to fraction form
    15,736.91/21,720.63 = 9,022.42/x
  3. Step 3: Cross multiply
    15,736.91x = 21,720.63 × 9,022.42
  4. Step 4: Simplify right side
    15,736.91x = 195,972,537.92
  5. Step 5: Solve for x
    x = 195,972,537.92/15,736.91
  6. Step 6: Final answer
    x = 12,453.05

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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.