Home / 18,668.46-27,994.58-5,521.74

Finding the Fourth Proportional to 18,668.46, 27,994.58 and 5,521.74

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Solution

The fourth proportional to 18,668.46, 27,994.58 and 5,521.74 is: 8,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.46 : 27,994.58 = 5,521.74 : x
  2. Step 2: Convert to fraction form
    18,668.46/27,994.58 = 5,521.74/x
  3. Step 3: Cross multiply
    18,668.46x = 27,994.58 × 5,521.74
  4. Step 4: Simplify right side
    18,668.46x = 154,578,792.17
  5. Step 5: Solve for x
    x = 154,578,792.17/18,668.46
  6. Step 6: Final answer
    x = 8,280.21

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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.