Home / 18,356.90-27,507.32-13,654.17

Finding the Fourth Proportional to 18,356.90, 27,507.32 and 13,654.17

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Solution

The fourth proportional to 18,356.90, 27,507.32 and 13,654.17 is: 20,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.90 : 27,507.32 = 13,654.17 : x
  2. Step 2: Convert to fraction form
    18,356.90/27,507.32 = 13,654.17/x
  3. Step 3: Cross multiply
    18,356.90x = 27,507.32 × 13,654.17
  4. Step 4: Simplify right side
    18,356.90x = 375,589,657.66
  5. Step 5: Solve for x
    x = 375,589,657.66/18,356.90
  6. Step 6: Final answer
    x = 20,460.40

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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.