Home / 10,122.39-13,975.80-6,546.00

Finding the Fourth Proportional to 10,122.39, 13,975.80 and 6,546.00

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Solution

The fourth proportional to 10,122.39, 13,975.80 and 6,546.00 is: 9,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.39 : 13,975.80 = 6,546.00 : x
  2. Step 2: Convert to fraction form
    10,122.39/13,975.80 = 6,546.00/x
  3. Step 3: Cross multiply
    10,122.39x = 13,975.80 × 6,546.00
  4. Step 4: Simplify right side
    10,122.39x = 91,485,614.66
  5. Step 5: Solve for x
    x = 91,485,614.66/10,122.39
  6. Step 6: Final answer
    x = 9,037.95

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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.