Home / 18,876.08-28,311.94-5,026.16

Finding the Fourth Proportional to 18,876.08, 28,311.94 and 5,026.16

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Solution

The fourth proportional to 18,876.08, 28,311.94 and 5,026.16 is: 7,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.08 : 28,311.94 = 5,026.16 : x
  2. Step 2: Convert to fraction form
    18,876.08/28,311.94 = 5,026.16/x
  3. Step 3: Cross multiply
    18,876.08x = 28,311.94 × 5,026.16
  4. Step 4: Simplify right side
    18,876.08x = 142,300,340.35
  5. Step 5: Solve for x
    x = 142,300,340.35/18,876.08
  6. Step 6: Final answer
    x = 7,538.66

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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.