Home / 14,548.84-21,815.88-6,763.12

Finding the Fourth Proportional to 14,548.84, 21,815.88 and 6,763.12

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Solution

The fourth proportional to 14,548.84, 21,815.88 and 6,763.12 is: 10,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.84 : 21,815.88 = 6,763.12 : x
  2. Step 2: Convert to fraction form
    14,548.84/21,815.88 = 6,763.12/x
  3. Step 3: Cross multiply
    14,548.84x = 21,815.88 × 6,763.12
  4. Step 4: Simplify right side
    14,548.84x = 147,543,414.35
  5. Step 5: Solve for x
    x = 147,543,414.35/14,548.84
  6. Step 6: Final answer
    x = 10,141.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.