Home / 10,219.80-15,318.48-5,827.56

Finding the Fourth Proportional to 10,219.80, 15,318.48 and 5,827.56

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Solution

The fourth proportional to 10,219.80, 15,318.48 and 5,827.56 is: 8,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.80 : 15,318.48 = 5,827.56 : x
  2. Step 2: Convert to fraction form
    10,219.80/15,318.48 = 5,827.56/x
  3. Step 3: Cross multiply
    10,219.80x = 15,318.48 × 5,827.56
  4. Step 4: Simplify right side
    10,219.80x = 89,269,361.31
  5. Step 5: Solve for x
    x = 89,269,361.31/10,219.80
  6. Step 6: Final answer
    x = 8,734.94

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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.