Home / 10,305.32-15,449.34-4,153.64

Finding the Fourth Proportional to 10,305.32, 15,449.34 and 4,153.64

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Solution

The fourth proportional to 10,305.32, 15,449.34 and 4,153.64 is: 6,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.32 : 15,449.34 = 4,153.64 : x
  2. Step 2: Convert to fraction form
    10,305.32/15,449.34 = 4,153.64/x
  3. Step 3: Cross multiply
    10,305.32x = 15,449.34 × 4,153.64
  4. Step 4: Simplify right side
    10,305.32x = 64,170,996.60
  5. Step 5: Solve for x
    x = 64,170,996.60/10,305.32
  6. Step 6: Final answer
    x = 6,226.98

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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.