Home / 10,286.02-15,431.47-3,360.50

Finding the Fourth Proportional to 10,286.02, 15,431.47 and 3,360.50

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Solution

The fourth proportional to 10,286.02, 15,431.47 and 3,360.50 is: 5,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.02 : 15,431.47 = 3,360.50 : x
  2. Step 2: Convert to fraction form
    10,286.02/15,431.47 = 3,360.50/x
  3. Step 3: Cross multiply
    10,286.02x = 15,431.47 × 3,360.50
  4. Step 4: Simplify right side
    10,286.02x = 51,857,454.94
  5. Step 5: Solve for x
    x = 51,857,454.94/10,286.02
  6. Step 6: Final answer
    x = 5,041.55

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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.