Home / 14,942.64-20,634.84-9,363.36

Finding the Fourth Proportional to 14,942.64, 20,634.84 and 9,363.36

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Solution

The fourth proportional to 14,942.64, 20,634.84 and 9,363.36 is: 12,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.64 : 20,634.84 = 9,363.36 : x
  2. Step 2: Convert to fraction form
    14,942.64/20,634.84 = 9,363.36/x
  3. Step 3: Cross multiply
    14,942.64x = 20,634.84 × 9,363.36
  4. Step 4: Simplify right side
    14,942.64x = 193,211,435.46
  5. Step 5: Solve for x
    x = 193,211,435.46/14,942.64
  6. Step 6: Final answer
    x = 12,930.21

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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.