Home / 18,308.09-27,443.67-7,210.49

Finding the Fourth Proportional to 18,308.09, 27,443.67 and 7,210.49

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Solution

The fourth proportional to 18,308.09, 27,443.67 and 7,210.49 is: 10,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.09 : 27,443.67 = 7,210.49 : x
  2. Step 2: Convert to fraction form
    18,308.09/27,443.67 = 7,210.49/x
  3. Step 3: Cross multiply
    18,308.09x = 27,443.67 × 7,210.49
  4. Step 4: Simplify right side
    18,308.09x = 197,882,308.10
  5. Step 5: Solve for x
    x = 197,882,308.10/18,308.09
  6. Step 6: Final answer
    x = 10,808.46

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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.