Home / 10,825.36-14,939-6,110.64

Finding the Fourth Proportional to 10,825.36, 14,939 and 6,110.64

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Solution

The fourth proportional to 10,825.36, 14,939 and 6,110.64 is: 8,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.36 : 14,939 = 6,110.64 : x
  2. Step 2: Convert to fraction form
    10,825.36/14,939 = 6,110.64/x
  3. Step 3: Cross multiply
    10,825.36x = 14,939 × 6,110.64
  4. Step 4: Simplify right side
    10,825.36x = 91,286,850.96
  5. Step 5: Solve for x
    x = 91,286,850.96/10,825.36
  6. Step 6: Final answer
    x = 8,432.69

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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.