Home / 11,380.79-15,705.43-6,344.96

Finding the Fourth Proportional to 11,380.79, 15,705.43 and 6,344.96

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Solution

The fourth proportional to 11,380.79, 15,705.43 and 6,344.96 is: 8,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.79 : 15,705.43 = 6,344.96 : x
  2. Step 2: Convert to fraction form
    11,380.79/15,705.43 = 6,344.96/x
  3. Step 3: Cross multiply
    11,380.79x = 15,705.43 × 6,344.96
  4. Step 4: Simplify right side
    11,380.79x = 99,650,230.74
  5. Step 5: Solve for x
    x = 99,650,230.74/11,380.79
  6. Step 6: Final answer
    x = 8,756.01

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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.