Home / 14,072.92-21,116.46-5,307.88

Finding the Fourth Proportional to 14,072.92, 21,116.46 and 5,307.88

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Solution

The fourth proportional to 14,072.92, 21,116.46 and 5,307.88 is: 7,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.92 : 21,116.46 = 5,307.88 : x
  2. Step 2: Convert to fraction form
    14,072.92/21,116.46 = 5,307.88/x
  3. Step 3: Cross multiply
    14,072.92x = 21,116.46 × 5,307.88
  4. Step 4: Simplify right side
    14,072.92x = 112,083,635.70
  5. Step 5: Solve for x
    x = 112,083,635.70/14,072.92
  6. Step 6: Final answer
    x = 7,964.49

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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.