Home / 14,639.73-20,202.79-7,925.35

Finding the Fourth Proportional to 14,639.73, 20,202.79 and 7,925.35

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Solution

The fourth proportional to 14,639.73, 20,202.79 and 7,925.35 is: 10,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.73 : 20,202.79 = 7,925.35 : x
  2. Step 2: Convert to fraction form
    14,639.73/20,202.79 = 7,925.35/x
  3. Step 3: Cross multiply
    14,639.73x = 20,202.79 × 7,925.35
  4. Step 4: Simplify right side
    14,639.73x = 160,114,181.73
  5. Step 5: Solve for x
    x = 160,114,181.73/14,639.73
  6. Step 6: Final answer
    x = 10,936.96

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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.