Home / 9,318.42-13,957.52-4,380.66

Finding the Fourth Proportional to 9,318.42, 13,957.52 and 4,380.66

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Solution

The fourth proportional to 9,318.42, 13,957.52 and 4,380.66 is: 6,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.42 : 13,957.52 = 4,380.66 : x
  2. Step 2: Convert to fraction form
    9,318.42/13,957.52 = 4,380.66/x
  3. Step 3: Cross multiply
    9,318.42x = 13,957.52 × 4,380.66
  4. Step 4: Simplify right side
    9,318.42x = 61,143,149.56
  5. Step 5: Solve for x
    x = 61,143,149.56/9,318.42
  6. Step 6: Final answer
    x = 6,561.54

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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.