Home / 10,490.60-15,735.94-4,250.72

Finding the Fourth Proportional to 10,490.60, 15,735.94 and 4,250.72

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Solution

The fourth proportional to 10,490.60, 15,735.94 and 4,250.72 is: 6,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.60 : 15,735.94 = 4,250.72 : x
  2. Step 2: Convert to fraction form
    10,490.60/15,735.94 = 4,250.72/x
  3. Step 3: Cross multiply
    10,490.60x = 15,735.94 × 4,250.72
  4. Step 4: Simplify right side
    10,490.60x = 66,889,074.88
  5. Step 5: Solve for x
    x = 66,889,074.88/10,490.60
  6. Step 6: Final answer
    x = 6,376.10

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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.