Home / 15,900.26-21,944.38-9,612.62

Finding the Fourth Proportional to 15,900.26, 21,944.38 and 9,612.62

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Solution

The fourth proportional to 15,900.26, 21,944.38 and 9,612.62 is: 13,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.26 : 21,944.38 = 9,612.62 : x
  2. Step 2: Convert to fraction form
    15,900.26/21,944.38 = 9,612.62/x
  3. Step 3: Cross multiply
    15,900.26x = 21,944.38 × 9,612.62
  4. Step 4: Simplify right side
    15,900.26x = 210,942,986.08
  5. Step 5: Solve for x
    x = 210,942,986.08/15,900.26
  6. Step 6: Final answer
    x = 13,266.64

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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.