Home / 10,226.94-15,340.74-2,830.78

Finding the Fourth Proportional to 10,226.94, 15,340.74 and 2,830.78

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Solution

The fourth proportional to 10,226.94, 15,340.74 and 2,830.78 is: 4,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.94 : 15,340.74 = 2,830.78 : x
  2. Step 2: Convert to fraction form
    10,226.94/15,340.74 = 2,830.78/x
  3. Step 3: Cross multiply
    10,226.94x = 15,340.74 × 2,830.78
  4. Step 4: Simplify right side
    10,226.94x = 43,426,259.98
  5. Step 5: Solve for x
    x = 43,426,259.98/10,226.94
  6. Step 6: Final answer
    x = 4,246.26

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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.