Home / 11,285.84-15,575.42-6,251.28

Finding the Fourth Proportional to 11,285.84, 15,575.42 and 6,251.28

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Solution

The fourth proportional to 11,285.84, 15,575.42 and 6,251.28 is: 8,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.84 : 15,575.42 = 6,251.28 : x
  2. Step 2: Convert to fraction form
    11,285.84/15,575.42 = 6,251.28/x
  3. Step 3: Cross multiply
    11,285.84x = 15,575.42 × 6,251.28
  4. Step 4: Simplify right side
    11,285.84x = 97,366,311.54
  5. Step 5: Solve for x
    x = 97,366,311.54/11,285.84
  6. Step 6: Final answer
    x = 8,627.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.