Home / 18,134.59-27,185.47-6,445.08

Finding the Fourth Proportional to 18,134.59, 27,185.47 and 6,445.08

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Solution

The fourth proportional to 18,134.59, 27,185.47 and 6,445.08 is: 9,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.59 : 27,185.47 = 6,445.08 : x
  2. Step 2: Convert to fraction form
    18,134.59/27,185.47 = 6,445.08/x
  3. Step 3: Cross multiply
    18,134.59x = 27,185.47 × 6,445.08
  4. Step 4: Simplify right side
    18,134.59x = 175,212,360.83
  5. Step 5: Solve for x
    x = 175,212,360.83/18,134.59
  6. Step 6: Final answer
    x = 9,661.78

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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.