Home / 18,172.40-27,258.58-6,482.88

Finding the Fourth Proportional to 18,172.40, 27,258.58 and 6,482.88

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Solution

The fourth proportional to 18,172.40, 27,258.58 and 6,482.88 is: 9,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.40 : 27,258.58 = 6,482.88 : x
  2. Step 2: Convert to fraction form
    18,172.40/27,258.58 = 6,482.88/x
  3. Step 3: Cross multiply
    18,172.40x = 27,258.58 × 6,482.88
  4. Step 4: Simplify right side
    18,172.40x = 176,714,103.11
  5. Step 5: Solve for x
    x = 176,714,103.11/18,172.40
  6. Step 6: Final answer
    x = 9,724.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.