Home / 11,829.80-17,700.75-7,426.64

Finding the Fourth Proportional to 11,829.80, 17,700.75 and 7,426.64

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Solution

The fourth proportional to 11,829.80, 17,700.75 and 7,426.64 is: 11,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.80 : 17,700.75 = 7,426.64 : x
  2. Step 2: Convert to fraction form
    11,829.80/17,700.75 = 7,426.64/x
  3. Step 3: Cross multiply
    11,829.80x = 17,700.75 × 7,426.64
  4. Step 4: Simplify right side
    11,829.80x = 131,457,009.48
  5. Step 5: Solve for x
    x = 131,457,009.48/11,829.80
  6. Step 6: Final answer
    x = 11,112.37

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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.