Home / 18,074.34-27,110.88-6,387.12

Finding the Fourth Proportional to 18,074.34, 27,110.88 and 6,387.12

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Solution

The fourth proportional to 18,074.34, 27,110.88 and 6,387.12 is: 9,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.34 : 27,110.88 = 6,387.12 : x
  2. Step 2: Convert to fraction form
    18,074.34/27,110.88 = 6,387.12/x
  3. Step 3: Cross multiply
    18,074.34x = 27,110.88 × 6,387.12
  4. Step 4: Simplify right side
    18,074.34x = 173,160,443.87
  5. Step 5: Solve for x
    x = 173,160,443.87/18,074.34
  6. Step 6: Final answer
    x = 9,580.46

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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.