Home / 10,171.96-15,239.99-8,908.45

Finding the Fourth Proportional to 10,171.96, 15,239.99 and 8,908.45

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Solution

The fourth proportional to 10,171.96, 15,239.99 and 8,908.45 is: 13,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.96 : 15,239.99 = 8,908.45 : x
  2. Step 2: Convert to fraction form
    10,171.96/15,239.99 = 8,908.45/x
  3. Step 3: Cross multiply
    10,171.96x = 15,239.99 × 8,908.45
  4. Step 4: Simplify right side
    10,171.96x = 135,764,688.92
  5. Step 5: Solve for x
    x = 135,764,688.92/10,171.96
  6. Step 6: Final answer
    x = 13,346.95

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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.