Home / 11,126.52-16,729.80-10,259.62

Finding the Fourth Proportional to 11,126.52, 16,729.80 and 10,259.62

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Solution

The fourth proportional to 11,126.52, 16,729.80 and 10,259.62 is: 15,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.52 : 16,729.80 = 10,259.62 : x
  2. Step 2: Convert to fraction form
    11,126.52/16,729.80 = 10,259.62/x
  3. Step 3: Cross multiply
    11,126.52x = 16,729.80 × 10,259.62
  4. Step 4: Simplify right side
    11,126.52x = 171,641,390.68
  5. Step 5: Solve for x
    x = 171,641,390.68/11,126.52
  6. Step 6: Final answer
    x = 15,426.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.