Home / 18,800.50-28,196.13-8,273.17

Finding the Fourth Proportional to 18,800.50, 28,196.13 and 8,273.17

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Solution

The fourth proportional to 18,800.50, 28,196.13 and 8,273.17 is: 12,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.50 : 28,196.13 = 8,273.17 : x
  2. Step 2: Convert to fraction form
    18,800.50/28,196.13 = 8,273.17/x
  3. Step 3: Cross multiply
    18,800.50x = 28,196.13 × 8,273.17
  4. Step 4: Simplify right side
    18,800.50x = 233,271,376.83
  5. Step 5: Solve for x
    x = 233,271,376.83/18,800.50
  6. Step 6: Final answer
    x = 12,407.72

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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.