Home / 18,946.09-28,385.08-11,150.65

Finding the Fourth Proportional to 18,946.09, 28,385.08 and 11,150.65

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Solution

The fourth proportional to 18,946.09, 28,385.08 and 11,150.65 is: 16,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.09 : 28,385.08 = 11,150.65 : x
  2. Step 2: Convert to fraction form
    18,946.09/28,385.08 = 11,150.65/x
  3. Step 3: Cross multiply
    18,946.09x = 28,385.08 × 11,150.65
  4. Step 4: Simplify right side
    18,946.09x = 316,512,092.30
  5. Step 5: Solve for x
    x = 316,512,092.30/18,946.09
  6. Step 6: Final answer
    x = 16,705.93

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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.