Home / 18,308.11-27,443.31-7,210.30

Finding the Fourth Proportional to 18,308.11, 27,443.31 and 7,210.30

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Solution

The fourth proportional to 18,308.11, 27,443.31 and 7,210.30 is: 10,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.11 : 27,443.31 = 7,210.30 : x
  2. Step 2: Convert to fraction form
    18,308.11/27,443.31 = 7,210.30/x
  3. Step 3: Cross multiply
    18,308.11x = 27,443.31 × 7,210.30
  4. Step 4: Simplify right side
    18,308.11x = 197,874,498.09
  5. Step 5: Solve for x
    x = 197,874,498.09/18,308.11
  6. Step 6: Final answer
    x = 10,808.02

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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.