Home / 10,431.92-14,395.48-5,716.12

Finding the Fourth Proportional to 10,431.92, 14,395.48 and 5,716.12

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Solution

The fourth proportional to 10,431.92, 14,395.48 and 5,716.12 is: 7,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.92 : 14,395.48 = 5,716.12 : x
  2. Step 2: Convert to fraction form
    10,431.92/14,395.48 = 5,716.12/x
  3. Step 3: Cross multiply
    10,431.92x = 14,395.48 × 5,716.12
  4. Step 4: Simplify right side
    10,431.92x = 82,286,291.14
  5. Step 5: Solve for x
    x = 82,286,291.14/10,431.92
  6. Step 6: Final answer
    x = 7,887.93

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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.