Home / 10,210.28-15,308.21-3,965.09

Finding the Fourth Proportional to 10,210.28, 15,308.21 and 3,965.09

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Solution

The fourth proportional to 10,210.28, 15,308.21 and 3,965.09 is: 5,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.28 : 15,308.21 = 3,965.09 : x
  2. Step 2: Convert to fraction form
    10,210.28/15,308.21 = 3,965.09/x
  3. Step 3: Cross multiply
    10,210.28x = 15,308.21 × 3,965.09
  4. Step 4: Simplify right side
    10,210.28x = 60,698,334.02
  5. Step 5: Solve for x
    x = 60,698,334.02/10,210.28
  6. Step 6: Final answer
    x = 5,944.83

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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.