Home / 14,936.87-20,612.73-8,222.32

Finding the Fourth Proportional to 14,936.87, 20,612.73 and 8,222.32

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Solution

The fourth proportional to 14,936.87, 20,612.73 and 8,222.32 is: 11,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.87 : 20,612.73 = 8,222.32 : x
  2. Step 2: Convert to fraction form
    14,936.87/20,612.73 = 8,222.32/x
  3. Step 3: Cross multiply
    14,936.87x = 20,612.73 × 8,222.32
  4. Step 4: Simplify right side
    14,936.87x = 169,484,518.73
  5. Step 5: Solve for x
    x = 169,484,518.73/14,936.87
  6. Step 6: Final answer
    x = 11,346.72

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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.