Home / 10,308.68-15,456.83-3,285.66

Finding the Fourth Proportional to 10,308.68, 15,456.83 and 3,285.66

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Solution

The fourth proportional to 10,308.68, 15,456.83 and 3,285.66 is: 4,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.68 : 15,456.83 = 3,285.66 : x
  2. Step 2: Convert to fraction form
    10,308.68/15,456.83 = 3,285.66/x
  3. Step 3: Cross multiply
    10,308.68x = 15,456.83 × 3,285.66
  4. Step 4: Simplify right side
    10,308.68x = 50,785,871.63
  5. Step 5: Solve for x
    x = 50,785,871.63/10,308.68
  6. Step 6: Final answer
    x = 4,926.52

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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.