Home / 18,120.30-27,173.15-5,636.17

Finding the Fourth Proportional to 18,120.30, 27,173.15 and 5,636.17

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Solution

The fourth proportional to 18,120.30, 27,173.15 and 5,636.17 is: 8,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.30 : 27,173.15 = 5,636.17 : x
  2. Step 2: Convert to fraction form
    18,120.30/27,173.15 = 5,636.17/x
  3. Step 3: Cross multiply
    18,120.30x = 27,173.15 × 5,636.17
  4. Step 4: Simplify right side
    18,120.30x = 153,152,492.84
  5. Step 5: Solve for x
    x = 153,152,492.84/18,120.30
  6. Step 6: Final answer
    x = 8,451.98

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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.