Home / 10,286.12-14,181.12-7,723.03

Finding the Fourth Proportional to 10,286.12, 14,181.12 and 7,723.03

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Solution

The fourth proportional to 10,286.12, 14,181.12 and 7,723.03 is: 10,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.12 : 14,181.12 = 7,723.03 : x
  2. Step 2: Convert to fraction form
    10,286.12/14,181.12 = 7,723.03/x
  3. Step 3: Cross multiply
    10,286.12x = 14,181.12 × 7,723.03
  4. Step 4: Simplify right side
    10,286.12x = 109,521,215.19
  5. Step 5: Solve for x
    x = 109,521,215.19/10,286.12
  6. Step 6: Final answer
    x = 10,647.48

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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.