Home / 10,190.32-15,285.50-2,794.88

Finding the Fourth Proportional to 10,190.32, 15,285.50 and 2,794.88

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Solution

The fourth proportional to 10,190.32, 15,285.50 and 2,794.88 is: 4,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.32 : 15,285.50 = 2,794.88 : x
  2. Step 2: Convert to fraction form
    10,190.32/15,285.50 = 2,794.88/x
  3. Step 3: Cross multiply
    10,190.32x = 15,285.50 × 2,794.88
  4. Step 4: Simplify right side
    10,190.32x = 42,721,138.24
  5. Step 5: Solve for x
    x = 42,721,138.24/10,190.32
  6. Step 6: Final answer
    x = 4,192.33

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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.