Home / 10,908.42-16,362.63-3,116.76

Finding the Fourth Proportional to 10,908.42, 16,362.63 and 3,116.76

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Solution

The fourth proportional to 10,908.42, 16,362.63 and 3,116.76 is: 4,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.42 : 16,362.63 = 3,116.76 : x
  2. Step 2: Convert to fraction form
    10,908.42/16,362.63 = 3,116.76/x
  3. Step 3: Cross multiply
    10,908.42x = 16,362.63 × 3,116.76
  4. Step 4: Simplify right side
    10,908.42x = 50,998,390.68
  5. Step 5: Solve for x
    x = 50,998,390.68/10,908.42
  6. Step 6: Final answer
    x = 4,675.14

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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.