Home / 9,299.31-13,949.13-3,380.40

Finding the Fourth Proportional to 9,299.31, 13,949.13 and 3,380.40

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Solution

The fourth proportional to 9,299.31, 13,949.13 and 3,380.40 is: 5,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.31 : 13,949.13 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    9,299.31/13,949.13 = 3,380.40/x
  3. Step 3: Cross multiply
    9,299.31x = 13,949.13 × 3,380.40
  4. Step 4: Simplify right side
    9,299.31x = 47,153,639.05
  5. Step 5: Solve for x
    x = 47,153,639.05/9,299.31
  6. Step 6: Final answer
    x = 5,070.66

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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.