Home / 11,783.68-17,675.54-3,018.60

Finding the Fourth Proportional to 11,783.68, 17,675.54 and 3,018.60

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Solution

The fourth proportional to 11,783.68, 17,675.54 and 3,018.60 is: 4,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.68 : 17,675.54 = 3,018.60 : x
  2. Step 2: Convert to fraction form
    11,783.68/17,675.54 = 3,018.60/x
  3. Step 3: Cross multiply
    11,783.68x = 17,675.54 × 3,018.60
  4. Step 4: Simplify right side
    11,783.68x = 53,355,385.04
  5. Step 5: Solve for x
    x = 53,355,385.04/11,783.68
  6. Step 6: Final answer
    x = 4,527.91

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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.