Home / 18,219.74-27,300.83-13,756.28

Finding the Fourth Proportional to 18,219.74, 27,300.83 and 13,756.28

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Solution

The fourth proportional to 18,219.74, 27,300.83 and 13,756.28 is: 20,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.74 : 27,300.83 = 13,756.28 : x
  2. Step 2: Convert to fraction form
    18,219.74/27,300.83 = 13,756.28/x
  3. Step 3: Cross multiply
    18,219.74x = 27,300.83 × 13,756.28
  4. Step 4: Simplify right side
    18,219.74x = 375,557,792.93
  5. Step 5: Solve for x
    x = 375,557,792.93/18,219.74
  6. Step 6: Final answer
    x = 20,612.69

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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.