Home / 10,824.36-14,937.62-6,109.64

Finding the Fourth Proportional to 10,824.36, 14,937.62 and 6,109.64

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Solution

The fourth proportional to 10,824.36, 14,937.62 and 6,109.64 is: 8,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.36 : 14,937.62 = 6,109.64 : x
  2. Step 2: Convert to fraction form
    10,824.36/14,937.62 = 6,109.64/x
  3. Step 3: Cross multiply
    10,824.36x = 14,937.62 × 6,109.64
  4. Step 4: Simplify right side
    10,824.36x = 91,263,480.66
  5. Step 5: Solve for x
    x = 91,263,480.66/10,824.36
  6. Step 6: Final answer
    x = 8,431.31

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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.