Home / 14,189.14-21,276.31-5,297.15

Finding the Fourth Proportional to 14,189.14, 21,276.31 and 5,297.15

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Solution

The fourth proportional to 14,189.14, 21,276.31 and 5,297.15 is: 7,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.14 : 21,276.31 = 5,297.15 : x
  2. Step 2: Convert to fraction form
    14,189.14/21,276.31 = 5,297.15/x
  3. Step 3: Cross multiply
    14,189.14x = 21,276.31 × 5,297.15
  4. Step 4: Simplify right side
    14,189.14x = 112,703,805.52
  5. Step 5: Solve for x
    x = 112,703,805.52/14,189.14
  6. Step 6: Final answer
    x = 7,942.96

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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.