Home / 10,305.42-15,459.21-3,285.96

Finding the Fourth Proportional to 10,305.42, 15,459.21 and 3,285.96

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Solution

The fourth proportional to 10,305.42, 15,459.21 and 3,285.96 is: 4,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.42 : 15,459.21 = 3,285.96 : x
  2. Step 2: Convert to fraction form
    10,305.42/15,459.21 = 3,285.96/x
  3. Step 3: Cross multiply
    10,305.42x = 15,459.21 × 3,285.96
  4. Step 4: Simplify right side
    10,305.42x = 50,798,345.69
  5. Step 5: Solve for x
    x = 50,798,345.69/10,305.42
  6. Step 6: Final answer
    x = 4,929.28

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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.