Home / 14,639.84-20,202.18-8,672.06

Finding the Fourth Proportional to 14,639.84, 20,202.18 and 8,672.06

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Solution

The fourth proportional to 14,639.84, 20,202.18 and 8,672.06 is: 11,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.84 : 20,202.18 = 8,672.06 : x
  2. Step 2: Convert to fraction form
    14,639.84/20,202.18 = 8,672.06/x
  3. Step 3: Cross multiply
    14,639.84x = 20,202.18 × 8,672.06
  4. Step 4: Simplify right side
    14,639.84x = 175,194,517.09
  5. Step 5: Solve for x
    x = 175,194,517.09/14,639.84
  6. Step 6: Final answer
    x = 11,966.97

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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.