Home / 18,116.91-27,172.44-4,966.20

Finding the Fourth Proportional to 18,116.91, 27,172.44 and 4,966.20

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Solution

The fourth proportional to 18,116.91, 27,172.44 and 4,966.20 is: 7,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.91 : 27,172.44 = 4,966.20 : x
  2. Step 2: Convert to fraction form
    18,116.91/27,172.44 = 4,966.20/x
  3. Step 3: Cross multiply
    18,116.91x = 27,172.44 × 4,966.20
  4. Step 4: Simplify right side
    18,116.91x = 134,943,771.53
  5. Step 5: Solve for x
    x = 134,943,771.53/18,116.91
  6. Step 6: Final answer
    x = 7,448.50

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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.