Home / 18,360.54-27,456.75-13,683.80

Finding the Fourth Proportional to 18,360.54, 27,456.75 and 13,683.80

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Solution

The fourth proportional to 18,360.54, 27,456.75 and 13,683.80 is: 20,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.54 : 27,456.75 = 13,683.80 : x
  2. Step 2: Convert to fraction form
    18,360.54/27,456.75 = 13,683.80/x
  3. Step 3: Cross multiply
    18,360.54x = 27,456.75 × 13,683.80
  4. Step 4: Simplify right side
    18,360.54x = 375,712,744.29
  5. Step 5: Solve for x
    x = 375,712,744.29/18,360.54
  6. Step 6: Final answer
    x = 20,463.06

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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.