Home / 14,282.32-21,437.31-6,891.96

Finding the Fourth Proportional to 14,282.32, 21,437.31 and 6,891.96

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Solution

The fourth proportional to 14,282.32, 21,437.31 and 6,891.96 is: 10,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.32 : 21,437.31 = 6,891.96 : x
  2. Step 2: Convert to fraction form
    14,282.32/21,437.31 = 6,891.96/x
  3. Step 3: Cross multiply
    14,282.32x = 21,437.31 × 6,891.96
  4. Step 4: Simplify right side
    14,282.32x = 147,745,083.03
  5. Step 5: Solve for x
    x = 147,745,083.03/14,282.32
  6. Step 6: Final answer
    x = 10,344.62

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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.