Home / 18,322.60-25,283.46-11,247.88

Finding the Fourth Proportional to 18,322.60, 25,283.46 and 11,247.88

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Solution

The fourth proportional to 18,322.60, 25,283.46 and 11,247.88 is: 15,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.60 : 25,283.46 = 11,247.88 : x
  2. Step 2: Convert to fraction form
    18,322.60/25,283.46 = 11,247.88/x
  3. Step 3: Cross multiply
    18,322.60x = 25,283.46 × 11,247.88
  4. Step 4: Simplify right side
    18,322.60x = 284,385,324.06
  5. Step 5: Solve for x
    x = 284,385,324.06/18,322.60
  6. Step 6: Final answer
    x = 15,521.01

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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.