Home / 9,519.64-13,149.61-7,308.81

Finding the Fourth Proportional to 9,519.64, 13,149.61 and 7,308.81

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Solution

The fourth proportional to 9,519.64, 13,149.61 and 7,308.81 is: 10,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.64 : 13,149.61 = 7,308.81 : x
  2. Step 2: Convert to fraction form
    9,519.64/13,149.61 = 7,308.81/x
  3. Step 3: Cross multiply
    9,519.64x = 13,149.61 × 7,308.81
  4. Step 4: Simplify right side
    9,519.64x = 96,107,982.79
  5. Step 5: Solve for x
    x = 96,107,982.79/9,519.64
  6. Step 6: Final answer
    x = 10,095.76

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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.