Home / 10,286.62-14,181.81-7,723.53

Finding the Fourth Proportional to 10,286.62, 14,181.81 and 7,723.53

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Solution

The fourth proportional to 10,286.62, 14,181.81 and 7,723.53 is: 10,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.62 : 14,181.81 = 7,723.53 : x
  2. Step 2: Convert to fraction form
    10,286.62/14,181.81 = 7,723.53/x
  3. Step 3: Cross multiply
    10,286.62x = 14,181.81 × 7,723.53
  4. Step 4: Simplify right side
    10,286.62x = 109,533,634.99
  5. Step 5: Solve for x
    x = 109,533,634.99/10,286.62
  6. Step 6: Final answer
    x = 10,648.17

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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.