Home / 15,549.40-21,441.24-10,504.88

Finding the Fourth Proportional to 15,549.40, 21,441.24 and 10,504.88

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Solution

The fourth proportional to 15,549.40, 21,441.24 and 10,504.88 is: 14,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.40 : 21,441.24 = 10,504.88 : x
  2. Step 2: Convert to fraction form
    15,549.40/21,441.24 = 10,504.88/x
  3. Step 3: Cross multiply
    15,549.40x = 21,441.24 × 10,504.88
  4. Step 4: Simplify right side
    15,549.40x = 225,237,653.25
  5. Step 5: Solve for x
    x = 225,237,653.25/15,549.40
  6. Step 6: Final answer
    x = 14,485.30

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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.