Home / 14,834.05-20,471.47-8,120.16

Finding the Fourth Proportional to 14,834.05, 20,471.47 and 8,120.16

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Solution

The fourth proportional to 14,834.05, 20,471.47 and 8,120.16 is: 11,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.05 : 20,471.47 = 8,120.16 : x
  2. Step 2: Convert to fraction form
    14,834.05/20,471.47 = 8,120.16/x
  3. Step 3: Cross multiply
    14,834.05x = 20,471.47 × 8,120.16
  4. Step 4: Simplify right side
    14,834.05x = 166,231,591.53
  5. Step 5: Solve for x
    x = 166,231,591.53/14,834.05
  6. Step 6: Final answer
    x = 11,206.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.