Home / 10,446.15-15,674.34-5,181.66

Finding the Fourth Proportional to 10,446.15, 15,674.34 and 5,181.66

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Solution

The fourth proportional to 10,446.15, 15,674.34 and 5,181.66 is: 7,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.15 : 15,674.34 = 5,181.66 : x
  2. Step 2: Convert to fraction form
    10,446.15/15,674.34 = 5,181.66/x
  3. Step 3: Cross multiply
    10,446.15x = 15,674.34 × 5,181.66
  4. Step 4: Simplify right side
    10,446.15x = 81,219,100.60
  5. Step 5: Solve for x
    x = 81,219,100.60/10,446.15
  6. Step 6: Final answer
    x = 7,775.03

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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.