Home / 14,836.36-20,473.56-8,121.82

Finding the Fourth Proportional to 14,836.36, 20,473.56 and 8,121.82

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Solution

The fourth proportional to 14,836.36, 20,473.56 and 8,121.82 is: 11,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.36 : 20,473.56 = 8,121.82 : x
  2. Step 2: Convert to fraction form
    14,836.36/20,473.56 = 8,121.82/x
  3. Step 3: Cross multiply
    14,836.36x = 20,473.56 × 8,121.82
  4. Step 4: Simplify right side
    14,836.36x = 166,282,569.08
  5. Step 5: Solve for x
    x = 166,282,569.08/14,836.36
  6. Step 6: Final answer
    x = 11,207.77

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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.