Home / 18,208.13-27,255.60-9,867.45

Finding the Fourth Proportional to 18,208.13, 27,255.60 and 9,867.45

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Solution

The fourth proportional to 18,208.13, 27,255.60 and 9,867.45 is: 14,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.13 : 27,255.60 = 9,867.45 : x
  2. Step 2: Convert to fraction form
    18,208.13/27,255.60 = 9,867.45/x
  3. Step 3: Cross multiply
    18,208.13x = 27,255.60 × 9,867.45
  4. Step 4: Simplify right side
    18,208.13x = 268,943,270.22
  5. Step 5: Solve for x
    x = 268,943,270.22/18,208.13
  6. Step 6: Final answer
    x = 14,770.51

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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.