Home / 15,446.44-21,327.78-9,486.28

Finding the Fourth Proportional to 15,446.44, 21,327.78 and 9,486.28

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Solution

The fourth proportional to 15,446.44, 21,327.78 and 9,486.28 is: 13,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.44 : 21,327.78 = 9,486.28 : x
  2. Step 2: Convert to fraction form
    15,446.44/21,327.78 = 9,486.28/x
  3. Step 3: Cross multiply
    15,446.44x = 21,327.78 × 9,486.28
  4. Step 4: Simplify right side
    15,446.44x = 202,321,292.86
  5. Step 5: Solve for x
    x = 202,321,292.86/15,446.44
  6. Step 6: Final answer
    x = 13,098.25

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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.