Home / 9,884.20-13,640.52-5,904.88

Finding the Fourth Proportional to 9,884.20, 13,640.52 and 5,904.88

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Solution

The fourth proportional to 9,884.20, 13,640.52 and 5,904.88 is: 8,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.20 : 13,640.52 = 5,904.88 : x
  2. Step 2: Convert to fraction form
    9,884.20/13,640.52 = 5,904.88/x
  3. Step 3: Cross multiply
    9,884.20x = 13,640.52 × 5,904.88
  4. Step 4: Simplify right side
    9,884.20x = 80,545,633.74
  5. Step 5: Solve for x
    x = 80,545,633.74/9,884.20
  6. Step 6: Final answer
    x = 8,148.93

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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.