Home / 10,286.79-14,181.23-7,301.54

Finding the Fourth Proportional to 10,286.79, 14,181.23 and 7,301.54

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Solution

The fourth proportional to 10,286.79, 14,181.23 and 7,301.54 is: 10,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.79 : 14,181.23 = 7,301.54 : x
  2. Step 2: Convert to fraction form
    10,286.79/14,181.23 = 7,301.54/x
  3. Step 3: Cross multiply
    10,286.79x = 14,181.23 × 7,301.54
  4. Step 4: Simplify right side
    10,286.79x = 103,544,710.68
  5. Step 5: Solve for x
    x = 103,544,710.68/10,286.79
  6. Step 6: Final answer
    x = 10,065.79

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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.