Home / 18,368.82-27,548.91-9,132.66

Finding the Fourth Proportional to 18,368.82, 27,548.91 and 9,132.66

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Solution

The fourth proportional to 18,368.82, 27,548.91 and 9,132.66 is: 13,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.82 : 27,548.91 = 9,132.66 : x
  2. Step 2: Convert to fraction form
    18,368.82/27,548.91 = 9,132.66/x
  3. Step 3: Cross multiply
    18,368.82x = 27,548.91 × 9,132.66
  4. Step 4: Simplify right side
    18,368.82x = 251,594,828.40
  5. Step 5: Solve for x
    x = 251,594,828.40/18,368.82
  6. Step 6: Final answer
    x = 13,696.84

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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.