Home / 15,409.25-21,266.31-9,444.88

Finding the Fourth Proportional to 15,409.25, 21,266.31 and 9,444.88

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Solution

The fourth proportional to 15,409.25, 21,266.31 and 9,444.88 is: 13,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.25 : 21,266.31 = 9,444.88 : x
  2. Step 2: Convert to fraction form
    15,409.25/21,266.31 = 9,444.88/x
  3. Step 3: Cross multiply
    15,409.25x = 21,266.31 × 9,444.88
  4. Step 4: Simplify right side
    15,409.25x = 200,857,745.99
  5. Step 5: Solve for x
    x = 200,857,745.99/15,409.25
  6. Step 6: Final answer
    x = 13,034.88

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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.