Home / 10,190.25-15,285.36-2,794.74

Finding the Fourth Proportional to 10,190.25, 15,285.36 and 2,794.74

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Solution

The fourth proportional to 10,190.25, 15,285.36 and 2,794.74 is: 4,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.25 : 15,285.36 = 2,794.74 : x
  2. Step 2: Convert to fraction form
    10,190.25/15,285.36 = 2,794.74/x
  3. Step 3: Cross multiply
    10,190.25x = 15,285.36 × 2,794.74
  4. Step 4: Simplify right side
    10,190.25x = 42,718,607.01
  5. Step 5: Solve for x
    x = 42,718,607.01/10,190.25
  6. Step 6: Final answer
    x = 4,192.11

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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.