Home / 18,129.02-27,193.52-11,548.58

Finding the Fourth Proportional to 18,129.02, 27,193.52 and 11,548.58

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Solution

The fourth proportional to 18,129.02, 27,193.52 and 11,548.58 is: 17,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.02 : 27,193.52 = 11,548.58 : x
  2. Step 2: Convert to fraction form
    18,129.02/27,193.52 = 11,548.58/x
  3. Step 3: Cross multiply
    18,129.02x = 27,193.52 × 11,548.58
  4. Step 4: Simplify right side
    18,129.02x = 314,046,434.11
  5. Step 5: Solve for x
    x = 314,046,434.11/18,129.02
  6. Step 6: Final answer
    x = 17,322.86

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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.