Home / 10,327.05-15,479.75-5,054.79

Finding the Fourth Proportional to 10,327.05, 15,479.75 and 5,054.79

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Solution

The fourth proportional to 10,327.05, 15,479.75 and 5,054.79 is: 7,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.05 : 15,479.75 = 5,054.79 : x
  2. Step 2: Convert to fraction form
    10,327.05/15,479.75 = 5,054.79/x
  3. Step 3: Cross multiply
    10,327.05x = 15,479.75 × 5,054.79
  4. Step 4: Simplify right side
    10,327.05x = 78,246,860.23
  5. Step 5: Solve for x
    x = 78,246,860.23/10,327.05
  6. Step 6: Final answer
    x = 7,576.88

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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.